Malicious PDF — malware analysis report

Static analysis result for SHA-256 4c929d330c7811b3…

MALICIOUS

PDF

57.2 KB Created: 2021-03-09 01:30:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: bf075db649c3c8e1a66e4957815d45bf SHA-1: f14723b9576f683ff607f8bcbd2e9f44962474e1 SHA-256: 4c929d330c7811b32e633fd0133c9936937f97ddb200580a77c593450d53e1f4
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains heuristics indicating it is a link farm on disposable hosting, with a high ML classification for maliciousness and a ClamAV detection for Pdf.Phishing.Trojan. The embedded URL, 'https://crophysi.ru/award?keyword=how+to+make+pdf+book+in+photoshop', is likely part of a phishing or scam campaign. Although no scripts were explicitly extracted, the PDF structure and URL suggest an attempt to redirect users to malicious content, potentially for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8300

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://crophysi.ru/award?keyword=how+to+make+pdf+book+in+photoshop PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4415527/normal_6035d8f2af9cc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444377/normal_60013d7e5df9c.pdfIn PDF document text
    • http://vabaxowerad.iblogger.org/tiwumulijekenavutup.pdfIn PDF document text
    • http://newobesarejif.22web.org/47866308621.pdfIn PDF document text
    • http://wibeminijifenu.22web.org/patajupitoxabunepolodig.pdfIn PDF document text
    • http://bujasap.iblogger.org/96042506585.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4498882/normal_603bcbe23a32f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459469/normal_5fcc1c724e030.pdfIn PDF document text
    • https://s3.amazonaws.com/vavapekadoliti/xovofodagesevugafi.pdfIn PDF document text
    • https://93dbb2ad-f1e8-4c6c-adfd-2ef134399473.filesusr.com/ugd/df4650_72fa9040c172447593cc365269af2a93.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/kovozenamofox/anamika_2008_full_movie_720p.pdfIn PDF document text
    • https://43081b45-6e48-4b43-b724-9328fda377ae.filesusr.com/ugd/26481d_007e9ceb31c841b6b68b6ae5e848ce6f.pdf?index=trueIn PDF document text
    • http://xolijuvusuv.epizy.com/labip.pdfIn PDF document text
    • https://5d3a357a-25b2-4459-9cd8-210b235f7b36.filesusr.com/ugd/45e30f_70fd109b085145cdbb9d316ff1203ce7.pdf?index=trueIn PDF document text
    • http://mizadebep.rf.gd/66704158765.pdfIn PDF document text
    • http://botusojulepeja.rf.gd/how_much_weight_can_a_2017_dodge_ram_1500_tow.pdfIn PDF document text
    • http://gagisejokunego.rf.gd/33827686977.pdfIn PDF document text
    • http://peworesafasar.epizy.com/bangladesh_cricket_picture.pdfIn PDF document text
    • http://pumuroxojab.rf.gd/dumupegorexa.pdfIn PDF document text
    • https://s3.amazonaws.com/fojaxexino/armed_heist_mod_apk_ios.pdfIn PDF document text
    • http://nepogewapiw.epizy.com/technic_launcher_32_bit_cracked.pdfIn PDF document text
    • http://muparokaxewidad.rf.gd/jolimetisoraxawise.pdfIn PDF document text
    • http://fiderifi.rf.gd/best_tv_guide_app_australia.pdfIn PDF document text
    • http://bakotege.rf.gd/integrative_nutrition_institute_reviews.pdfIn PDF document text
    • http://mibewol.epizy.com/lorip.pdfIn PDF document text

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