Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2d98af6999ed6e…

MALICIOUS

PDF

85.3 KB Created: 2022-05-08 23:57:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 12d0053d05af68648b22c331ce7b5ed1 SHA-1: 7da09e3a3241801f67d61e727d3373598518281c SHA-256: af2d98af6999ed6ecfd9d319d2d19169dcfa19f7990ace7ca406f46248c806af
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://colod.co.za/YmrXLWy8?keyword=complete%20rangers%20handbook%20pdf%20printable%202017 PDF link annotation
    • https://sawamamuwez.weebly.com/uploads/1/3/5/9/135992332/9840423.pdfIn PDF document text
    • https://vasuxuduka.weebly.com/uploads/1/3/4/3/134322555/minirus.pdfIn PDF document text
    • https://pezevibasa.weebly.com/uploads/1/3/5/3/135306661/b1346c.pdfIn PDF document text
    • https://sailstudy.in/ckfinder/userfiles/files/18111206734.pdfIn PDF document text
    • https://jurarolo.weebly.com/uploads/1/3/4/3/134351512/fadet-toroniga-falojoge.pdfIn PDF document text
    • https://berarenojinoz.weebly.com/uploads/1/3/4/7/134737003/fatalikujivelewe.pdfIn PDF document text
    • http://darec.sk/files/files/vevaxezu.pdfIn PDF document text
    • https://wuzipagaxu.weebly.com/uploads/1/3/0/7/130776492/5913734.pdfIn PDF document text
    • https://buvazuborobibig.weebly.com/uploads/1/3/4/7/134703023/zamitot.pdfIn PDF document text
    • http://orosweb.hu/ckfinder/userfiles/files/sesarozinubomutakit.pdfIn PDF document text
    • https://buliduxefexefux.weebly.com/uploads/1/3/1/6/131636978/finafavofanila.pdfIn PDF document text
    • https://mijolepeworid.weebly.com/uploads/1/3/5/3/135394353/nufevinifuje-tebaxu-zuliko.pdfIn PDF document text
    • http://studiopiergentili.it/userfiles/files/vetezi.pdfIn PDF document text
    • http://bassonconsulting.mc/userfiles/file/wukirezaromelowimaxumotur.pdfIn PDF document text
    • https://rajuvafawomok.weebly.com/uploads/1/3/4/4/134455823/2417692.pdfIn PDF document text
    • https://salugubegorok.weebly.com/uploads/1/4/1/2/141278866/8348274.pdfIn PDF document text
    • https://widolabi.weebly.com/uploads/1/4/1/2/141260391/0735387a914d.pdfIn PDF document text
    • http://www.peritaonline.es/ckfinder/userfiles/files/68004207105.pdfIn PDF document text
    • https://wivibewegofo.weebly.com/uploads/1/3/4/5/134526157/1631901.pdfIn PDF document text
    • https://tenojamerefu.weebly.com/uploads/1/3/1/8/131857247/7392382.pdfIn PDF document text
    • https://tinuvireredat.weebly.com/uploads/1/3/4/8/134864568/8875483.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off0000e56b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xE56B 25100 bytes
SHA-256: 3f6587d8b269cdb1d168fef52e1cca85287450f3e12513466ffe8467359c1407
font_00_sfnt_off0000b9c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB9C6 16904 bytes
SHA-256: 4ef7379a1f1ceaa34fc2ed1d203217ab7df064aa2669fc19372d0c3ec743b5c4
font_02_sfnt_off000113ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x113AE 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_03_sfnt_off00012bc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12BC5 11552 bytes
SHA-256: 359ede7ce4e14300c81d35b1db565363f1ce505b77e53e525e28059c2791412b

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