Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fbf3c051fb39ac3…

MALICIOUS

PDF

49.8 KB Created: 2021-06-14 03:16:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: a66b40a7b1b8d8dc94641d9001cb2901 SHA-1: b3a4e712997d13d6c44dca4327765d0296f72908 SHA-256: 2fbf3c051fb39ac337a3958e68d2f408dc08b99f18771ce78c8aa93210e69aa3
154 Risk Score

Malware Insights

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

This PDF document contains numerous links to external websites, many of which appear to be compromised or disposable hosting. The embedded text and URLs suggest a lure for downloading cracked software, likely as a pretext to deliver malware. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9344

Heuristics 5

  • 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
  • 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://huntic.ru/uplcv?utm_term=download+3ds+max+2018+full+crack PDF link annotation
    • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0bfac9682---puxonogolewu.pdfIn PDF document text
    • https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/e29462f5b8661258d7ab3bc8ea14791f/76375165634.pdfIn PDF document text
    • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/c6a5054916573356f31cda0513bb91ae/wasonotoxedatikatoxoxos.pdfIn PDF document text
    • https://allcreaturesinc.com/files/files/sajewasalabalelipe.pdfIn PDF document text
    • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf4b37b4f82---34724416444.pdfIn PDF document text
    • http://xn--80aab8aioy.xn--p1ai/userfiles/file/bojezadevomezuruwotepor.pdfIn PDF document text
    • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090c590d72d2---kesinakidijomuj.pdfIn PDF document text
    • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/7qg35gc4ct9o2r9gpaak95bin5/73747218978.pdfIn PDF document text
    • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ed24b88fd---99775616798.pdfIn PDF document text
    • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/091a67546933c4fcce4af03088414cca/62526642926.pdfIn PDF document text
    • https://noddy.nu/images/file/sawonegolo.pdfIn PDF document text
    • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/h6262iuefhrlh7n7j4cvt81m7p/23472067977.pdfIn PDF document text
    • http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/32900335631.pdfIn PDF document text
    • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/0598e3acd5452f7d7215ce1c9ff90a26/63640452907.pdfIn PDF document text
    • https://detskeihriska.eu/ckfinder/userfiles/files/kigogoru.pdfIn PDF document text
    • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8da977122---xolidelalu.pdfIn PDF document text
    • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8669814f0---nutovotakodosalinu.pdfIn PDF document text
    • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/49c01a232660d092c532413cb136a6f8/tiwixitisufigumupenikaw.pdfIn PDF document text

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