Malicious PDF — malware analysis report

Static analysis result for SHA-256 9371546b0283637b…

MALICIOUS

PDF

55.7 KB Created: 2021-06-21 07:28:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0c15107f1150bd8d133a9100af4e6812 SHA-1: 87873b816e006809fe30d6f453a60af3b7df5233 SHA-256: 9371546b0283637b90b3c63926ea9eefc55fca642c2ac9679cf3fbefe5000abc
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many hosted on compromised WordPress sites, suggesting it functions as a link farm to distribute malicious files. The document body, though heavily obfuscated, contains references to game cheats, indicating a lure to entice users to download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7658

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 http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160887c0f823ad---56999481495.pdf
    • https://hotnews.md/upload/userfiles/files/kikifisupoki.pdf
    • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16085a53f8ed6f---51957204036.pdf
    • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e6c424caf---xidokuwenif.pdf
    • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3943b1a13---fabugonitisozerumikagex.pdf
    • http://andrelandberg.com/userfiles/file/34284860931.pdf
    • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba0590a2d43---23519079086.pdf
    • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/e2b970425b1d9afe651c644aa1123c84/85417317261.pdf
    • http://aklond.com/UploadFilesfile/%5C/2021050401120339.pdf
    • https://callmarkinvestments.com/callmark/files/dajupakojujedojixep.pdf
    • https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/63ed1391ff15c11ae66f390d5cd5bb9a/dekakagenefofesularaza.pdf
    • https://semineebrasov.ro/printuri-fi/files/99533152752.pdf
    • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/79435225360adde281153f.pdf
    • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/h5pun150l9ct95p9flbu9j0757/7718229110.pdf
    • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/f12edc44bd712f24df38185b8d364485/90306492447.pdf
    • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c20938d7d08---kuvukil.pdf
    • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/ff54d372d8ee45e56895cfa1fb3a5ba5/99714182163.pdf
    • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=god+of+war+ghost+of+sparta+ppsspp+cheat+file+download

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