Malicious PDF — malware analysis report

Static analysis result for SHA-256 029a3c6a9cafcccb…

MALICIOUS

PDF

83.0 KB Created: 2022-04-08 08:10:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-08
MD5: 1b874065b13ffd3252eab3e7221bb3cb SHA-1: c2f20354ed4508cba3662a8b9b7f89cb3808a738 SHA-256: 029a3c6a9cafcccb51cfe3f637af2f3a6433ef47cc6e631bb283cb1881d6e726
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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.
  • 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 http://open.ua/uploads/ckeditor/files/74830009038.pdf In PDF document text
    • https://warimeso.weebly.com/uploads/1/3/4/7/134720830/f03d5f28.pdfIn PDF document text
    • https://huaku3c.tw/uploads/files/202203141200231936.pdfIn PDF document text
    • http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/89633240130.pdfIn PDF document text
    • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1623da12aaf841---65656955844.pdfIn PDF document text
    • https://fvcomputer.orakromania.ro/mm/file/gutoxegutov.pdfIn PDF document text
    • http://citygclub.com/ckupload/files/62969875551.pdfIn PDF document text
    • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/95d649cb54010c9271686c253d049061/33841703432.pdfIn PDF document text
    • https://dharmagold.in/kcfinder/upload/files/75800872483.pdfIn PDF document text
    • http://aitrans.cn/UploadFile/file/F1202202020505207802.pdfIn PDF document text
    • https://wiercenie-studni24.pl/files/files/vefegonavi.pdfIn PDF document text
    • https://euromariage.ro/upload/file/gator.pdfIn PDF document text
    • https://chaletvenay.skidnapping.com/uploadfiles/files/neruxa.pdfIn PDF document text
    • https://fotojursa.cz/userfiles/file/dukodirugebaraguvili.pdfIn PDF document text
    • https://molesomux.weebly.com/uploads/1/3/2/6/132681378/6649776.pdfIn PDF document text
    • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/01df53c150508935b64eead48fab10df/26116033338.pdfIn PDF document text
    • https://reflections-series.gilmorgenstern.com/userfiles/File/nufipirabemomuxufaba.pdfIn PDF document text
    • https://kosusutorimozid.weebly.com/uploads/1/3/4/0/134018454/bakegorafatomuzuxoxi.pdfIn PDF document text
    • http://sushrutproctology.org/ckfinder/userfiles/files/55146517092.pdfIn PDF document text
    • https://wirut.co.za/YmrXLWy8?keyword=fried%20green%20tomatoes%20movie%20charactersPDF 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_off0000dd0e.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000dd0e.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dd0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD0E 10812 bytes
SHA-256: b8d1f131c3529549c0b3029e942f403109e9c8d824ad5a731deec476ca3dace8
font_01_sfnt_off0000f59c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF59C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00010dae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DAE 18360 bytes
SHA-256: 6eeddb5970f048ec490ef0cfbf5761787ba9774a6dfa57e4bba43fe31c41e8d4

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