Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9f83e6f917b9df4…

MALICIOUS

PDF

57.6 KB Created: 2021-02-21 19:43:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 8e368f51f1a96eb89a84beecf552e461 SHA-1: 17595f75237112685b8dba3ec20fc3d6eff7aba5 SHA-256: d9f83e6f917b9df4ab7c37d956d86573726e904a2ccdb317b7081775c8a6bbfc
134 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 phishing attempt using an image lure to redirect users to a malicious URL. The primary URL identified is https://jottigo.ru/strik?utm_term=what+political+cartoon+mean, which is likely used to host a phishing page. No scripts were extracted, but the PDF structure and embedded URLs strongly suggest a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7742

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://jottigo.ru/strik?utm_term=what+political+cartoon+mean PDF link annotation
    • http://difulomutanuv.iblogger.org/sustainability_assessment_report_example.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477873/normal_5fd7fc392ecc7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4463830/normal_5fcc7f021e9fe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407810/normal_6026f687ac0fa.pdfIn PDF document text
    • http://nubokokepiw.iblogger.org/bootstrap_3_form_input_small.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4469837/normal_5ff860c06c922.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4463526/normal_5fffa4531bee3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413368/normal_601cbc7d3d3a0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451369/normal_6029e14bf073c.pdfIn PDF document text
    • https://s3.amazonaws.com/zunewidimem/kuwaramekolukadazur.pdfIn PDF document text
    • https://s3.amazonaws.com/dukajevo/electrotechnics_n6_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/viregujipowuru/carry_on_jeeves_epub.pdfIn PDF document text
    • https://s3.amazonaws.com/nevovumowa/telifo.pdfIn PDF document text
    • https://s3.amazonaws.com/tisegovofu/freeport_maine_shopping_guide.pdfIn PDF document text
    • http://jasopiwutuv.epizy.com/ramodepotazutaxevenirove.pdfIn PDF document text
    • http://zeraginijumeje.epizy.com/autocad_2d_landscape_blocks_free.pdfIn PDF document text
    • https://s3.amazonaws.com/fadobirak/tunanapa.pdfIn PDF document text

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