Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5c119bb6ef4ca4f…

MALICIOUS

PDF

50.6 KB Created: 2021-01-26 12:02:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: d8cf9a38b42c35914e2e3638f5a92214 SHA-1: a085a7fad0555e69a674e281f1cdcfe2a51d4612 SHA-256: d5c119bb6ef4ca4fa4721a30a94cd5f6b71abcf89786b52545669f05d1ba186d
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs, with at least two pointing to suspicious domains ('jottigo.ru', 'wumofuzusagumo.22web.org'). Heuristics indicate the PDF is a link farm on disposable hosting and has been flagged by ML classifiers and ClamAV as malicious. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect users to malicious content, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7360

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://jottigo.ru/aws?utm_term=all+india+airport+name+list+pdf PDF link annotation
    • http://wumofuzusagumo.22web.org/digital_marketing_advertising_platforms.pdfIn PDF document text
    • https://cdn.sqhk.co/jizuxadif/gi9jrjf/crackle_free_movies_activate.pdfIn PDF document text
    • https://cdn.sqhk.co/kagelemovo/hrcEhdh/sewapaxigotod.pdfIn PDF document text
    • http://bodegumuxizobi.22web.org/ibps_clerk_syllabus_2019.pdfIn PDF document text
    • https://cdn.sqhk.co/girasufu/Sjigfd2/43264079674.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4406456/normal_60093cc3d9ffc.pdfIn PDF document text
    • http://vuxokiwi.22web.org/vidmate_ing_karne_ke_liye_gana.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489983/normal_5fde58538b279.pdfIn PDF document text
    • https://cdn.sqhk.co/pasojixaju/U6iKjaj/80061612451.pdfIn PDF document text
    • https://s3.amazonaws.com/safenalavojuwu/kavuwufipigigimudexikulu.pdfIn PDF document text
    • http://nasukenapab.epizy.com/expanded_form_2nd_grade_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/bidemewufa/mozukevagomixufuvirizoruf.pdfIn PDF document text
    • https://s3.amazonaws.com/dorulusof/sorurixamonevut.pdfIn PDF document text
    • http://femodizabofowu.epizy.com/nizeju.pdfIn PDF document text
    • https://s3.amazonaws.com/diwitapezu/83519218629.pdfIn PDF document text
    • http://koxowasone.epizy.com/giochi_tipo_caesar_3_android.pdfIn PDF document text
    • http://lozekav.epizy.com/pupal.pdfIn PDF document text

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