Malicious PDF — malware analysis report

Static analysis result for SHA-256 949ce4ecf1caf14e…

MALICIOUS

PDF

300.4 KB Created: 2022-03-10 23:49:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-11
MD5: 14a53b6640a7a2f05886a720bc9c1a0d SHA-1: 257509dc7bf98076d6de42081d76e0d9020b81b1 SHA-256: 949ce4ecf1caf14e3873d4a15a00450470194f94247486e63351378a78b4813b
226 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a phone number stuffing scam and links to external URLs, some of which are hosted on compromised CMS upload storage, to lure users into downloading malicious files. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution. No scripts were extracted, but the embedded URLs and the nature of the scam suggest a phishing or downloader attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7195

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
    Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://tevav.co.za/XSRYdR1H?utm_term=acr+call+recorder+pro+apk+mod PDF link annotation
    • http://diagnosticaedilizia.com/userfiles/files/61350910180.pdfIn PDF document text
    • http://olapromos.com/ola/uploads/editorImagesfiles/xokurinulamasavovifofek.pdfIn PDF document text
    • https://abouelhoulgroup.com/userfiles/files/kunejunanudodix.pdfIn PDF document text
    • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16203a0b2a8e8f---45387352676.pdfIn PDF document text
    • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1620d605956bb7---11508516840.pdfIn PDF document text
    • http://szolnokepul.hu/userfiles/file/fonagetavokuk.pdfIn PDF document text
    • http://scales-center.com/shop/fck_file/file/mazofomoxazokikavubebe.pdfIn PDF document text
    • http://jodhpurheritagewalk.com/images/file/kuxajazefazep.pdfIn PDF document text
    • https://towa-aaa.jp/userfiles/file/72496686273.pdfIn PDF document text
    • http://vkp.ru/upload/global/file/kedenezimosirososu.pdfIn PDF document text
    • http://hotelrealerimini.it/userfiles/files/52421011674.pdfIn PDF document text
    • https://felicityokolo.com/file/bodowin.pdfIn PDF document text
    • http://qualityfirstservices.pro/testingsites/advantage_aviation/assets/media/file/47600196098.pdfIn PDF document text
    • https://stomatoloska-ordinacija-rijeka.com/files/22723466697.pdfIn PDF document text
    • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/76861132620ea636ad708.pdfIn PDF document text
    • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/b8f6d07f0814753f4b42d1715140395c/84485545102.pdfIn PDF document text
    • http://nemeckystrakac.sk/editor_uploads/files/vijipiwetubudikoxedi.pdfIn PDF document text
    • http://22vek-omsk.ru/fck_editor_files/files/zuzomake.pdfIn PDF document text
    • http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/xutovevetepibi.pdfIn PDF document text
    • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16219868914e28---wovawirurupofubako.pdfIn PDF document text
    • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/42397320548.pdfIn PDF document text
    • http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/130509026350.pdfIn PDF document text
    • http://cana.vn/uploads/userfiles/file/53425293285.pdfIn PDF document text
    • http://casopisfolklor.sk/assets/kcfinder/upload/files/siripaguvinami.pdfIn PDF document text
    • http://circolosilverblufitnessclub.eu/userfiles/files/45284700445.pdfIn PDF document text
    • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/930c7fdc21048c065bb8c886e0e4c03d/70309968103.pdfIn PDF document text
    • http://entryexpress.online/chapter_images/files/tajowamesebavineboxuz.pdfIn PDF document text
    • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/b5b9182c437461ec52fc21e4563dddb5/zebanofonuzamosovinogow.pdfIn PDF document text
    • https://tinhhoaxanh.vn/userfiles/file/zeradusaperexos.pdfIn PDF document text
    • https://xn--fct5g39pjpo.tw/upload/leakstop/files/vegolasepagidorolopedama.pdfIn PDF document text
    • http://gioiacompany.net/images/upload/file/mafovajijajerolepiko.pdfIn PDF document text
    • http://gioithieu.btccorp.vn/uploads/files/sogadekawipunuxugeda.pdfIn PDF document text
    • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/16213c88fa8dc4---9937167814.pdfIn PDF document text
    • http://varnamonarradio.se/admin/kcfinder/upload/files/fubibaron.pdfIn PDF document text
    • http://luisacortesearchitetto.it/userfiles/files/73309577253.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0004419d.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004419d.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004419d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4419D 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off000458bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x458BD 10284 bytes
SHA-256: 7b7908d8aaaeebb716f489f8422a397108d609dd36150a39457656b4acdb45fd
font_02_sfnt_off00046fe0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46FE0 18880 bytes
SHA-256: 8f2ecd1db9ad4278e90991dba28e1888b89b91b7eaf8dcb8cf72282101bda6e8