Malicious PDF — malware analysis report

Static analysis result for SHA-256 046339597dcc30ce…

MALICIOUS

PDF

119.3 KB Created: 2021-07-22 17:52:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: f72e728ff3413e3e641163814d6f5acf SHA-1: ade9890c049564e15eeac66cc9f9f6d6227f2d3f SHA-256: 046339597dcc30ce0c24bec14a116ef222562375d391eba8896c425c960539c5
154 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to multiple compromised websites and disposable hosting. The embedded URLs suggest an attempt to lure users to external, potentially malicious content, consistent with phishing or malware distribution tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9370

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://oriental-kitchens.com/userfiles/files/23446260539.pdf
    • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/59b23134f1be1b1bd98aef85762b5748/78924701968.pdf
    • http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/86841975970.pdf
    • https://datajournonepal.org/files/27846723485.pdf
    • http://pnmanagementsolutions.in/uploads/29708405219.pdf
    • http://geometramaurotozzi.it/userfiles/files/bamagotarudevoduxori.pdf
    • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e62c4e62e6f---wekugigalabaxux.pdf
    • https://myphi.biz/nbloom/fckuploads/file/wagax.pdf
    • https://aimara-bg.com/userfiles/file/18586266773.pdf
    • http://broadgatecapital.com/userfiles/file/nolubakekimazomijalug.pdf
    • https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/xugopodawefasukukixawe.pdf
    • https://bnovum.hu/downloads/98647464371.pdf
    • http://ahs1978hounds.com/clients/0/09/09313dc2b2b2138818c22350edca9cf7/File/pipofuvusozazewezew.pdf
    • http://hainescentreasia.com/images/file/sowireniluv.pdf
    • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609a08ec40a18---94792948596.pdf
    • http://wskinbody.com/data/boardData/files/kigova.pdf
    • http://tivati.com/uploads/userfiles/file/72627171578.pdf
    • https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/bfd9fd1483ab40d419e7927240ed1d62/karonofelinubovo.pdf
    • http://bodegaadrover.com/userfiles//imagenes/nubez.pdf
    • http://phillipsbrothersmill.com/clients/6/65/65192871cce8a6e36080a9ebd2808b02/File/mobaj.pdf
    • http://osteriailgalloelinnamorata.com/userfiles/files/zasowerevok.pdf
    • http://n-production.com/upload/fckeditor/file/63273775986.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=example+of+common+gender+and+neuter+gender

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