Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a9ae041f2accb09…

MALICIOUS

PDF

59.7 KB Created: 2020-12-26 07:25:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: 3298ad0fda8e0410283b536641292cf7 SHA-1: 636266fc3e9effa0252a8b84bede125283b5e154 SHA-256: 8a9ae041f2accb09a28d731797af058fb1d8a8fb725eb74b7e2bf5eaf6de3d3a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, suggests a lure related to game downloads. The presence of multiple embedded URLs further supports the malicious intent of redirecting users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7166

Heuristics 3

  • 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.
  • 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/strik?utm_term=need+for+speed+rivals+cars+fully+upgraded In PDF document text
    • https://zusiwugebibod.weebly.com/uploads/1/3/4/4/134484471/sisavevof.pdfIn PDF document text
    • https://cdn.sqhk.co/ledumixifer/Jt3ictY/best_craft_furniture_mountain_wi.pdfIn PDF document text
    • https://cdn.sqhk.co/boxokozofe/Zic3aan/vafofusutexogixa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404741/normal_5f9fd5ea290c5.pdfIn PDF document text
    • https://gazuxupoje.weebly.com/uploads/1/3/4/1/134108966/4297196.pdfIn PDF document text
    • https://cdn.sqhk.co/fawabanof/LQhgcNv/download_clash_of_clans_apk_for_pc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421214/normal_5fada21789067.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/09471ff5-93d5-420c-869f-afac4cd671a6/goviwidoroturax.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/900a27ae-b1ec-4f5d-9177-86ffa178ec4c/19068445135.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c062c3b3-4eb1-4c95-b735-9536a5235bea/44085954674.pdfIn PDF document text
    • https://s3.amazonaws.com/wuzalugiseto/59624294847.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d49c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD49C 5452 bytes
SHA-256: f863018b90248bc0b1828c2a354284c67578142dbc0ef3aad15ca27e58f6e9e2

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