Malicious PDF — malware analysis report

Static analysis result for SHA-256 cff114726cb6a925…

MALICIOUS

PDF

70.3 KB Created: 2021-05-13 11:34:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: eca43610002c6b8ddb9e57d4892ac727 SHA-1: f4e28df159b6175385f66743a1a42f52c8315cfc SHA-256: cff114726cb6a9257be6b68abd985587ef72d1cc114212d09e2e9f78c14017b6
154 Risk Score

Malware Insights

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

The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or distributing further malware. The document body, though heavily obfuscated, contains text related to 'restaurant branding mockup free', suggesting a lure to disguise the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9572

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 https://ebooksweb.net/files/file/gelepiwiviparigumumuzazef.pdf
    • https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/87cm1rmf1le0foaofgsj24tupf/55155435100.pdf
    • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/f1kpjgpbr0jhkgqhu2l13quq0n/gepazivirukubijegakemi.pdf
    • http://adamlegal.com/userfiles/file/jusopajavusitikabototipe.pdf
    • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/93759714a4f310172bdc60372bd69bd6/zagozebosuvowomefa.pdf
    • http://ashioke.com/images/library/File/72517297318.pdf
    • http://ridendo.cz/files/file/91863303102.pdf
    • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1a328c9a4---memifabudofatewekawe.pdf
    • http://amphorabeautyclub.com/campannas/file/petisebililuva.pdf
    • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d345e22541---36226998852.pdf
    • http://au-coeur-du-temps.com/userfiles/file/43281519459.pdf
    • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/l671pt21r27c1jgstplqbfgs82/18311078960.pdf
    • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/df7156f708b1f5f6f1c04c875e7c6351/wamexit.pdf
    • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073db27b363b---vetuziwojosutasijen.pdf
    • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/c0f1a70a4b4db9c1ba63796b6c03fbca/torijipexurelufugefabu.pdf
    • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3befda265---lokulupijonipek.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=restaurant+branding+mockup+free

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