Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d2292d124db1d26…

MALICIOUS

PDF

55.6 KB Created: 2021-05-22 03:33:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ae1ea1b0a0fa8ca827c3bde87947b000 SHA-1: f859f08a626cb4eef183cbd4360929649aaa2e24 SHA-256: 6d2292d124db1d26b12fe8e97f71316d9cf635bd2043a6e5b4e976edbb3a0466
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is classified as malicious, likely a phishing attempt disguised as a purchase order form. It contains numerous links pointing to compromised WordPress upload directories, suggesting an attempt to distribute further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7086

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.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/4sqtegrshqcuccu520sgrsodh6/28205381745.pdf
    • http://extracam.es/app/webroot/arxius/file/jodugorenakunapizuta.pdf
    • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/8q7unnc94nlmgmdqo9vrdmvchb/45863011685.pdf
    • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872a0d9546f---lifolanagejazanop.pdf
    • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b1a91169b---kajejunigerefiboxu.pdf
    • http://dermalab.pl/userfiles/file/nujomet.pdf
    • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/769029b8a65390c047330e1ebd54d79c/82316641056.pdf
    • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160859d5d88d53---95167405700.pdf
    • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160828d7ec10f6---kemipirapukubepubovewa.pdf
    • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16084e4259618c---gopofujugazo.pdf
    • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa1b87d605---26202216476.pdf
    • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16090be1bede84---xoranimiwiva.pdf
    • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7510a382d---83225979882.pdf
    • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/342b755c253f73827d41bbd9c3515a6c/lizagedemasizomik.pdf
    • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/509c17110f922333d2adf7142532a6eb/89909650860.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=purchase+order+request+form+template+excel

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