Malicious PDF — malware analysis report

Static analysis result for SHA-256 feb6c5661a56de9a…

MALICIOUS

PDF

39.6 KB Created: 2021-05-22 09:55:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ecb45a7d017f4f252150560fd760e80 SHA-1: 23149220f9fb31b2a6fd8ec6b786282216adc0ae SHA-256: feb6c5661a56de9a5759dbd27fb213103daeef5e1bd4588e0a68a15cd4b90b43
174 Risk Score

Malware Insights

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

This PDF is identified as a phishing lure, likely intended to trick users into downloading a malicious file. The document is image-heavy and contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to host and distribute malware. The ClamAV detection and ML classifier strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9615

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 39 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607da4faa9a2c---75274129101.pdf
    • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/cnfiselma3rrdgppt2tv5f0aak/43487875284.pdf
    • https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c0816cffa8a978d4bced72d2ebfb0fb0/muzemobalexudixiwe.pdf
    • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088ce6cf2866---naxamikaxoke.pdf
    • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/kh951lr0ucjik82pkomnoitm4j/44260434140.pdf
    • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1607edd439249c---15978785222.pdf
    • http://akcjonariusz.com/UserFiles/file/nevitorazalitidefoz.pdf
    • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/fgnpmm2pq5pa7db3uq2l87gn37/54226811589.pdf
    • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16083e4b43f130---gudibobuxukerabizafixeruv.pdf
    • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/fd9kh1lfgtkh2kq6itdps85rp1/83999275703.pdf
    • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608da7168db07---37398915709.pdf
    • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a28dfbc82a8---wikamurizis.pdf
    • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/lka2ubp16o15gu5ggsrefcrgk2/fefavitijakiwulale.pdf
    • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/5d607dc0d4acb37d0d2f0c67e366003b/78817232349.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=coleman+powermate+6250+generator+manual+pdf

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