Malicious PDF — malware analysis report

Static analysis result for SHA-256 5287ebca42c00975…

MALICIOUS

PDF

66.8 KB Created: 2021-02-28 17:49:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 6358c89fb99abd379df7077c53919e14 SHA-1: 614d97f5da99f3ff99770ce13e6dabbed076b529 SHA-256: 5287ebca42c0097524b65aa7307e820bb9fdc4652df03bc81740909df41771a6
94 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 embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9557

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
  • 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://kuzutuzo.ru/award?keyword=best+exercise+bike+life+fitness PDF link annotation
    • http://maska-respirator.com/muxivikilh8ymx.pdfIn PDF document text
    • http://lezeninimi.medianewsonline.com/maytag_quiet_series_100_dishwasher_racks.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411481/normal_5feb1ee9bf70f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4494891/normal_5ff12ef45069e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454988/normal_5fd6132734547.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446165/normal_600c0a2fa0ff7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450038/normal_5fd5f6cf3fb38.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/bisiku/hotstar_english_movies.pdfIn PDF document text
    • https://s3.amazonaws.com/megelugik/womamezamelufapewabab.pdfIn PDF document text
    • http://sidepojedava.myartsonline.com/gowegoximevedutujisa.pdfIn PDF document text
    • https://s3.amazonaws.com/faduxodiwo/ap_transport_cc_form.pdfIn PDF document text
    • https://s3.amazonaws.com/fadedosi/chauvet_intimidator_spot_duo_155_manual.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_off0000e639.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE639 4664 bytes
SHA-256: c37c9dee1129726d081bf654d4bfba195b68e1cb83e9597d3d180927ece6416f

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