Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa89ea4bf4ec88a3…

MALICIOUS

PDF

291.7 KB Created: 2022-03-11 15:52:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: c310c7dfed656b6b2b0c723e00afde76 SHA-1: b705e25d15b73b1b0851504e4f5f2d2b54f6141d SHA-256: aa89ea4bf4ec88a3474bf363a12d594f5f3b8e6cd79f1762c19a6ba7e26477b8
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF contains embedded JavaScript and external URIs, including one pointing to a compromised WordPress upload directory. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution, using a financial lure to entice users. The presence of embedded JavaScript suggests an attempt to execute malicious code within the PDF viewer.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7614

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
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://podar.co.za/XSRYdR1H?utm_term=icici+prudential+bluechip+fund+factsheet PDF link annotation
    • http://ktcz.eu/files/files/16165508402.pdfIn PDF document text
    • https://maths-pdf.fr/ckfinder/userfiles/files/widev.pdfIn PDF document text
    • https://center-ot-tula.ru/kcfinder/upload/files/xugikedopovuvasut.pdfIn PDF document text
    • https://adm.ativo.com/js/kcfinder/upload/files/37766004330.pdfIn PDF document text
    • http://lammermoor.net/imagenes/file/lesapalujipegaginolifazir.pdfIn PDF document text
    • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/krt07vu7ceh1rkbt7rfg0rpjiu/fasita.pdfIn PDF document text
    • http://xingyeknitting.com/userfiles/files/7038685226.pdfIn PDF document text
    • http://villapastello.com/admin/data/files/files/tuxezite.pdfIn PDF document text
    • http://roseeskin.com/userfiles/file/20220311214721.pdfIn PDF document text
    • http://stluciachamber.org/uploadedImages/contentImg/file/wajele.pdfIn PDF document text
    • http://devison-matras.com/upload/file/sefutamuvevidazejukugero.pdfIn PDF document text
    • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16224474caa41d---67226234366.pdfIn PDF document text
    • http://stpogfzz.com/attachments/202203/editor/file/pezikijoxibomun.pdfIn PDF document text
    • https://kecweleri.kendalkab.go.id/kcfinder/upload/files/76852912709.pdfIn PDF document text
    • http://taiwan-casters.com/userfiles/file/20583657036.pdfIn PDF document text
    • https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/xopameno.pdfIn PDF document text
    • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621e872aa59de---bitisixetoluworuvurus.pdfIn PDF document text
    • https://cahayaapi1.com/contents/files/gemepekejilusawosoxofunal.pdfIn PDF document text
    • https://virtualpulse.eu/UserFiles/file/59710934593.pdfIn PDF document text
    • https://www.scrs.in/kcfinder/upload/files/fikitaluxumemakis.pdfIn PDF document text
    • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622a9c5cf052b---61661172006.pdfIn PDF document text
    • http://bhhangkhong.com/upload/images/files/64217454426.pdfIn PDF document text
    • http://immodraft.de/images/architekten_agentur_images_/file/54211008763.pdfIn PDF document text
    • http://hafrchamber.org.sa/ckeditor/kcfinder/upload/files/dojus.pdfIn PDF document text
    • http://acmemask.com/upfiles/editor/files/9811479131.pdfIn PDF document text
    • http://ipsc-pv.cz/kcfinder/upload/files/vidojowotovofuv.pdfIn PDF document text
    • https://ewastexperts.com/userfiles/files/zaretafiw.pdfIn PDF document text
    • http://starejsasporocila.igorgabrovec.eu/userfiles/file/wajetedupaxo.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 PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00041ec0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x41EC0 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off000435db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x435DB 18568 bytes
SHA-256: e5501587dfae234d5d9ed5b0a08d9d507013a872c3a5f2ded8daf7b2f25af901
font_02_sfnt_off0004670e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4670E 10788 bytes
SHA-256: 6d3d18eaa9ce0540d0d58dfba617c1b09473098bcd9af0d86b48085c67d0bc95