Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d319eef38f1c226…

MALICIOUS

PDF

330.0 KB Created: 2022-02-11 13:10:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-16
MD5: 743f916695355cb8790cd3d60d648926 SHA-1: a0545c2abf2b3fb90aee074fd5ed823d3a3049a6 SHA-256: 5d319eef38f1c2262671f9e9efdd0b4b5a4900e303daa61db445d96de1cf1708
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6318

Heuristics 6

  • 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.
  • 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://taumed.kz/upload/2021/10files/211001102352241089errg7.pdf In PDF document text
    • http://daedukgs.com/admin/fckeditor/data/file/20210806134724.pdfIn PDF document text
    • https://sarvodayasamaj.uk/upload/files/bozitapumoguvij.pdfIn PDF document text
    • http://neo-net.info/giganet/files/file/gukedesinasof.pdfIn PDF document text
    • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f6f0606ef51---bexaxejunetifit.pdfIn PDF document text
    • https://originalbau.hu/imagesfiles/duxetudifobikejepuwadenu.pdfIn PDF document text
    • http://idevoz.rs/files/poroj.pdfIn PDF document text
    • https://rumusjitu.com/contents/files/28669404201.pdfIn PDF document text
    • http://kqcme.yiaiwang.com.cn/upload/files/95038315935.pdfIn PDF document text
    • http://www.bc-arman.kz/ckfinder/userfiles/files/wuvuxozosubawutidusoram.pdfIn PDF document text
    • https://stillwaiting.org/userfiles/file/39025035561.pdfIn PDF document text
    • http://flightshop.jp/images/blog/file/gedenudixajometunajed.pdfIn PDF document text
    • http://members.lurnteam.com/js/kcfinder/upload/files/18374777423.pdfIn PDF document text
    • http://www.fd.ntou.edu.tw/ckfinder/userfiles/files/48399016159.pdfIn PDF document text
    • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1611ecf5ab664b---gunotudisuxusus.pdfIn PDF document text
    • http://techdiligence.net/assets/kcfinder/upload/files/26588291195.pdfIn PDF document text
    • http://chulatutoracademy.com/chulatutor/ckfinder/userfiles/files/5144433811.pdfIn PDF document text
    • https://bevasilicones.in/userfiles/file/33881888708.pdfIn PDF document text
    • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b7555dcf255---12149819895.pdfIn PDF document text
    • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161c9039b71487---36144402644.pdfIn PDF document text
    • https://agriplan-rs.com/dados/ckfinder/files/8707051216.pdfIn PDF document text
    • https://deltagroup.bg/uploads/file/21093775228.pdfIn PDF document text
    • http://vallovin.it/userfiles/files/xixubekixilajo.pdfIn PDF document text
    • http://www.jacenter.org/js/ckfinder/userfiles/files/28523984097.pdfIn PDF document text
    • http://pension-erlkoenig.de/img/editor/file/webenijasovome.pdfIn PDF document text
    • https://brs.jo/userfiles/files/fupiratutulitalovutu.pdfIn PDF document text
    • https://lrsdev.com/userfiles/file/78167184460.pdfIn PDF document text
    • http://forglory.cz/ckfinder/userfiles/files/vonapaf.pdfIn PDF document text
    • http://maychamsocda.vn/images/userfiles/file/36302545681.pdfIn PDF document text
    • http://progettocecinacuore.it/writable/public/userfiles/file/kejifimikuzalofibe.pdfIn PDF document text
    • https://businesslife.com/content/files/nufupadisonuje.pdfIn PDF document text
    • https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/75692047770.pdfIn PDF document text
    • http://naszymsladem.pl/upload/file/sizubilevuxasobijaziku.pdfIn PDF document text
    • http://titusauto.hu/kepek/file/bagigukovus.pdfIn PDF document text
    • https://tevav.co.za/XSRYdR1H?utm_term=import+bookmarks+android+firefoxPDF link annotation
    • 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_off0004a36a.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004a36a.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004a36a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A36A 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0004ba84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BA84 16220 bytes
SHA-256: 207eb3b51995adbdef2a766e0364e2c2ee182a7f0f0647c12a4a3807efc046f6
font_02_sfnt_off0004d064.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D064 17832 bytes
SHA-256: 361e06d6493cc49ce98ab2a04ff24494c85f4eb548ab9938c4882bfb983006ad
font_03_sfnt_off0004ff02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FF02 10900 bytes
SHA-256: 6f99b9792d9be1c1617f009bb06962d2710feb0b532c10089c69062e102052cd