Malicious PDF — malware analysis report

Static analysis result for SHA-256 602f0a86257574d9…

MALICIOUS

PDF

41.9 KB Created: 2021-06-05 03:42:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-23
MD5: d2bb2719feb4cac972af91132036be54 SHA-1: 4737634d55d7eaa1b101f9cac0e6d4de6dd19187 SHA-256: 602f0a86257574d96ff52f5911bcfc75ac7f0aaacbb470881ee0ae27f494e233
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is designed as a screenshot lure, containing a clickable link that directs users to external URLs. The presence of multiple links pointing to compromised WordPress uploads and disposable hosting suggests an attempt to distribute phishing content or download further malicious payloads. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9297

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-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 41 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://drafthe.ru/uplcv?utm_term=what+is+a+personal+mission+statement+brainly PDF link annotation
    • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2b3d42cb6---31337170171.pdfIn PDF document text
    • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/046f3b13cb3bf453081f181fdabb9f85/roweserobuwonobup.pdfIn PDF document text
    • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/jegrq9i439q3gq0k7doidrv232/62299239303.pdfIn PDF document text
    • https://chp-travel.ir/data/file/60572853003.pdfIn PDF document text
    • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7357ebc16c---18109728175.pdfIn PDF document text
    • https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecf5fd4339---12514649325.pdfIn PDF document text
    • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/4ea831bce121066f680558b722074dd9/zolegaresa.pdfIn PDF document text
    • https://pet-fashion.ro/mm/file/fitekiduzux.pdfIn PDF document text
    • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076347368c9b---mumozexugigizigipinomekiv.pdfIn PDF document text
    • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/91e65b901b5c829df18fc47b2d0ea3ae/16461224863.pdfIn PDF document text
    • https://agermag.ro/mm/file/61972702775.pdfIn PDF document text
    • http://gocep.org/data/userfiles/files/zilizajixakuvopuxabad.pdfIn PDF document text
    • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/shh8gk900md1m6fg3ol9r32ruv/kufopunatunudaxobokogufu.pdfIn PDF document text
    • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/d34ed6226a5ee887010e0f7ad7433f12/zugujasezowiloxanowam.pdfIn PDF document text

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