Malicious PDF — malware analysis report

Static analysis result for SHA-256 febe3cc68a987806…

MALICIOUS

PDF

58.5 KB Created: 2021-05-13 19:03:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65afbe9b1fa2ba8ec7d480e56d88ec2c SHA-1: f4a2b52808c4a2bd3d54ac040ba5ac2570871d3f SHA-256: febe3cc68a987806e50861015e22bcd9c92ff3cd3256d38ebdf07e79f82751cb
154 Risk Score

Malware Insights

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

The PDF file contains numerous links pointing to compromised WordPress upload directories, suggesting it is part of a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier further indicate malicious intent, likely phishing or malware distribution. The document body, though heavily obfuscated, appears to be a lure for 'basic calculus limits worksheet'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6973

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://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4cdfb9464---84807287632.pdf
    • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc4c484612---lebibawivurojugu.pdf
    • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/7fefa639bda3f542eccba9694f6a1a46/39020155222.pdf
    • https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/sfm0672p86sppf5euqm540pc49/57066101343.pdf
    • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160720528b3040---86404543469.pdf
    • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/cbbbf9b014ac8c8d480c50b05e0476af/43724986435.pdf
    • http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/14d04b82ef4e1f281bae0b4579e7db41/fotevonanejiravenape.pdf
    • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/du1mk2su1o6q6mltq44p4apjeq/zasaziwefiguxo.pdf
    • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/vaedupsv1gvlre7u6jdu6qevh9/7682924357.pdf
    • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608da2cc138ad---nozazuvidepegotalo.pdf
    • https://fourseasons.events/wp-content/plugins/super-forms/uploads/php/files/8868aa5c9927009f4b83830f39734c26/88600686691.pdf
    • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca553b0e27---85351191462.pdf
    • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b04db2a881---bulabolilekivusuwez.pdf
    • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/58b016ac86b458c422a1f8543e886eb3/xekibulenonamuwelabin.pdf
    • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b95f39601a---juletuxixoxizitifexa.pdf
    • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0a127b6be---2000108612.pdf
    • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609497168ee3f---91570810202.pdf
    • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607387881a56d---67165775106.pdf
    • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160793b10294f4---dutoxojelojususimuzilan.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=basic+calculus+limits+worksheet

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