Malicious PDF — malware analysis report

Static analysis result for SHA-256 f04a510434c1df6d…

MALICIOUS

PDF

81.8 KB Created: 2021-03-12 14:45:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: af5b389afc3131ed5c49d477aa53bbed SHA-1: 0f0cf5276c8d15c855f39f3d6016f5ae1537ebbd SHA-256: f04a510434c1df6d637b31c29a5cab941a41ca65ed12012eb61731d752c361c0
242 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous links designed to redirect users to various websites, likely for phishing or malware distribution. The heuristic firings indicate it's a malicious redirector and part of a link farm, with ClamAV detecting it as a phishing trojan. The embedded URLs, such as https://yafferge.ru/award?keyword=truman+capote+in+cold+blood+pdf, are the primary indicators of malicious intent, aiming to trick users into clicking through to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9417

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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • 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://yafferge.ru/award?keyword=truman+capote+in+cold+blood+pdf In PDF document text
    • https://kuwugexikoxol.weebly.com/uploads/1/3/4/7/134718068/ritori-xukedoter-buwiwobikir-piridoduxitemi.pdfIn PDF document text
    • http://wipunemobak.mygamesonline.org/duxotugiz.pdfIn PDF document text
    • https://wubinuju.weebly.com/uploads/1/3/4/6/134642725/xajusijebomu_fugebixunuwuf_xubabuwedetu_zokalimoti.pdfIn PDF document text
    • https://wisapemewe.weebly.com/uploads/1/3/4/7/134713478/66cf0661f6ed.pdfIn PDF document text
    • http://luvuzerosotavu.iblogger.org/76805858797.pdfIn PDF document text
    • http://giwapuse.22web.org/totunewole.pdfIn PDF document text
    • https://s3.amazonaws.com/befarekogol/bajrangi_bajrangi_bhaijaan_full_movie.pdfIn PDF document text
    • http://mavixufomulene.rf.gd/85246736641.pdfIn PDF document text
    • http://rosiwik.epizy.com/zofamoxesudadijibigivu.pdfIn PDF document text
    • http://gedokimisizat.rf.gd/ammonia_refrigeration_training_guide.pdfIn PDF document text
    • https://314f4944-3dd9-45af-b5ee-fc7f46c963e4.filesusr.com/ugd/73cb9e_5650c66e65554fe1998d9350de98d216.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/rekorewexidiwo/treasurer_s_report_template_non_profit.pdfIn PDF document text
    • https://d6236f05-450e-4b96-9875-1783d83c708b.filesusr.com/ugd/912de2_67607625a3e4486a94d08806157cac34.pdf?index=trueIn PDF document text
    • https://df4002df-ed14-466c-b758-10ced248c840.filesusr.com/ugd/3b03e6_619946d38b494873874237da09f86b14.pdf?index=trueIn PDF document text
    • http://rewuwuja.onlinewebshop.net/css_properties_and_values.pdfIn PDF document text
    • http://luselobek.epizy.com/lomosinixetojokelaf.pdfIn PDF document text
    • http://kelopemajidimux.epizy.com/kotutukimibe.pdfIn PDF document text
    • https://s3.amazonaws.com/fadobirak/17377274065.pdfIn PDF document text
    • http://rokimaligevijep.rf.gd/bach_prelude_bwv_1007_guitar.pdfIn PDF document text

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