Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe117c2d1e572680…

MALICIOUS

PDF

63.9 KB Created: 2021-05-08 03:59:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e92eae00f68c828252e4dc8fc8954273 SHA-1: 9b7cf4135681c171faf2ff9893f4cac9f74e7bed SHA-256: fe117c2d1e572680b122c8c420589115b1e107fccdcf4a80b9abd8042d031d71
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link farm pointing to multiple compromised WordPress sites, indicating an attempt to host malicious content or phishing pages. ClamAV detected this file as Pdf.Phishing.Trojan, and ML classifiers also flagged it as malicious. The embedded URLs suggest a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7645

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://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4c40d7fe4---dalatusinavipiderevatox.pdf
    • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607149b216032---27342619387.pdf
    • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/53n7brrp2eq8plrfis0628d1ov/dirizukugagewemurudelixox.pdf
    • https://artbynela.com/uploads/file/roforosipepajimanub.pdf
    • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/4073caeb5ea63f7e3b7da34ca54b41aa/85524499742.pdf
    • https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/b6bcfc0832c2237971f8e40d525f8625/nigamago.pdf
    • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095bfb5cb67c---bipuvaberasegaxo.pdf
    • https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/8b5e56cd3291415318849d1cdb9e4f18/69842081331.pdf
    • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6555e231c---vikinikekejawekumej.pdf
    • https://andrejc.si/files/file/55870990698.pdf
    • https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/hs2p0ig0uqjb2jr8arl485q0cv/67179325264.pdf
    • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16084237ee3969---44353675939.pdf
    • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/8e89d853404ca9aa5ed53797857ba24c/sarixonosunobumikepaj.pdf
    • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/6lq5aa83honasqas5270ci4lia/24175724555.pdf
    • https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/e9c92846c0ea3a11d51bdf7af98724b6/78830633206.pdf
    • http://africanhairbraidingsalon.com/userfiles/file/77343195129.pdf
    • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608607de08a3f---72322154218.pdf
    • https://karinbentum.nl/uploads/file/24532057346.pdf
    • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=letter+format+to+principal+for+scholarship

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