Malicious PDF — malware analysis report

Static analysis result for SHA-256 04eec7b122d544ea…

MALICIOUS

PDF

53.8 KB Created: 2020-12-05 15:34:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 8b6b22ca6d19250a78a3ada703e2c05d SHA-1: b6b92c9d4ce51d17939ba42283513cda1cb36946 SHA-256: 04eec7b122d544eabee8d125ea54ce10224aeed69a59c8627e686d03d60fb9c4
152 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9287

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://ggtraff.ru/strik?utm_term=reconstruction+study+guide+4th+grade In PDF document text
    • https://cdn-cms.f-static.net/uploads/4412591/normal_5fa3aec9618b9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405195/normal_5f95fac979e9d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413113/normal_5fc5476da47f9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488339/normal_5fc892a4c771d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380080/normal_5f9d8251a13e0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380086/normal_5fc481bf42bf6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/babetafaperaxov/download_bluetooth_apk_for_pc.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8380dfdb-706f-48ab-a2a0-db4f32d0b692/super_dimensional_love_gun.pdfIn PDF document text
    • https://s3.amazonaws.com/jijumupade/pikumobo.pdfIn PDF document text
    • https://s3.amazonaws.com/sepawi/weleresubaduz.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd2e708b31625a26bcc62b/1606233713285/homescapes_apk_mod.pdfIn PDF document text
    • https://s3.amazonaws.com/solonebosop/equations_of_circles_coloring_activity_answer_key.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_off0000befc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBEFC 5364 bytes
SHA-256: 79dcfad86c159e7fe65c1b2ace773bb5ae994126a5b2aa2235ec15e7459a8ede

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