Malicious PDF — malware analysis report

Static analysis result for SHA-256 299f65847f1a8a8c…

MALICIOUS

PDF

58.6 KB Created: 2021-06-21 02:15:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 06bc800a30194ddd8b84d1bd39516c9b SHA-1: ba0e959935bde6c649bc84365ca4a3416b5464e2 SHA-256: 299f65847f1a8a8c5d2fa94d72ac41a7f04ceb25068112d0cd50493ad1564fef
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing trojan by ClamAV. It contains numerous embedded URLs, many pointing to compromised CMS upload directories and disposable hosting, suggesting it functions as a link farm. The presence of these links indicates an attempt to redirect users to malicious sites, likely for phishing or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7320

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/92a782d92508f5c1118151904d85ca67/78708206464.pdf
    • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095d56e50296---35723199187.pdf
    • https://transmar.biz/ckfinder/userfiles/files/3687838484.pdf
    • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f53b181b45---wirogotikabifojapoxudokun.pdf
    • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/96ui7epuivjbirec0fqnc18k96/verep.pdf
    • http://smeclassof1987reunion.com/clients/37165/File/diferonegivefaxa.pdf
    • https://manuscripthandler.com/userfiles/file/95563497798.pdf
    • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/1d2055439baa9fbfb5f4d61dea126f7d/dofomigesasisitotikoruj.pdf
    • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa163642948---loremiv.pdf
    • https://sy-tech.eu/file/77037516460.pdf
    • http://nacyc.jp/Upload/file/senabijezisagi.pdf
    • https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/f1b1e4b61bca1628b056de7630f55a67/89069850740.pdf
    • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f3a96322d---vozipagi.pdf
    • https://gulyaskantin.hu/uploads/frontend/files/sujezerewezenujitepezo.pdf
    • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160877707af75d---40591204198.pdf
    • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/741d96fa7c25d56e05f5b31347b0b2ad/11972799856.pdf
    • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6e1dce5f5---86396629859.pdf
    • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=lover+taylor+swift+songs

Open this report in the interactive analyzer, or submit your own file for analysis.