Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bbb84b06cab452d…

MALICIOUS

PDF

49.6 KB Created: 2021-01-06 14:28:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d957eb2cd2254744d127c0751bb353af SHA-1: 56430a4550ce6ab6da13db57676205d72fac7c4d SHA-256: 2bbb84b06cab452d370f37487103ef69dadf52daf7e476dea54b6adf9274e44e
182 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded URLs, with at least one identified as a malicious redirector. The document's content, though obfuscated, appears to be a lure, likely for phishing or malware distribution. The presence of numerous links on disposable hosting further supports a malicious intent to direct users to harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7009

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
  • 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 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://cctraff.ru/aws?utm_term=portfolio+cover+letter+template In PDF document text
    • https://vapaniwagivu.weebly.com/uploads/1/3/4/4/134442769/0c0dd18f10.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458413/normal_5fac18caa66ad.pdfIn PDF document text
    • https://cdn.sqhk.co/nafolekuge/h7jhhja/74557835612.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465402/normal_5fa3515bcc471.pdfIn PDF document text
    • https://gumewutudeg.weebly.com/uploads/1/3/0/8/130813982/mabikonedal.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4471692/normal_5fee663002b8d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366374/normal_5f9da892191d5.pdfIn PDF document text
    • https://wixotavu.weebly.com/uploads/1/3/4/7/134764887/27a6208e37a51.pdfIn PDF document text
    • https://jisetufazuv.weebly.com/uploads/1/3/5/3/135307323/pujewuz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405190/normal_5fbbcae18d002.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421214/normal_5fada2909d9d4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417325/normal_5fbf5eb1377fd.pdfIn PDF document text
    • https://vowipolijej.weebly.com/uploads/1/3/4/7/134713390/4935aa19156.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/138c0796-1c4e-449f-b28b-13bd460bd624/learn_to_fly_2_mobile.pdfIn PDF document text

Related samples 3

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