Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b53e6d38ebbfe66…

MALICIOUS

PDF

54.7 KB Created: 2021-05-04 00:55:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 55e3910a9e5098b4ad69c4ed757e5623 SHA-1: f8d73f392ad01086519ba25b37432367951d6487 SHA-256: 0b53e6d38ebbfe66911b609a83c88f0171d12cdbc744686215a6a98340ed5952
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains numerous links to compromised websites, including WordPress upload directories, suggesting a phishing or malware distribution scheme. The PDF's structure and embedded links point towards an attempt to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9914

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 https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/e07442d21102f8a6d3013d486abb30fa/88352812028.pdf
    • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/23c2bb283c5dd68998b872982c59f0f2/21184801668.pdf
    • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3a8e31f79---22776406842.pdf
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871c42b0029---kinavafip.pdf
    • http://aggengr.com/uploads/CMS/file/visotenowizigiji.pdf
    • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/65a6cff7dca5a76244a3d73014280bb3/tidasofanup.pdf
    • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160846d830094b---70738790305.pdf
    • http://eltonltd.ru/sites/default/files/uploads/74055579180.pdf
    • https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/8687d74682d932e7c13f55cfa2192320/30944047753.pdf
    • https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/82480887e350cc41311e150f2466cc70/gepenefuv.pdf
    • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606c866ede6cb---46203152345.pdf
    • http://fontanarosaserigrafia.it/userfiles/file/22555344518.pdf
    • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/20723a1a084b2f7ba743c087393d0ecb/84751540021.pdf
    • https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/p5d7ocj5s99s8k9r8a6hrjk3ca/dolawokogajuxotaxij.pdf
    • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/1fmd1egf9fhr4frmfckl7fij2r/jekizadifenezonipukama.pdf
    • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9b0e4f33b---leforo.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=alif+tak+novel+pdf

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