Malicious PDF — malware analysis report

Static analysis result for SHA-256 94462faadfaf0ca6…

MALICIOUS

PDF

67.9 KB Created: 2020-11-25 05:48:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 54e360a6f5ee61e596ccc6230bd0b990 SHA-1: bee131edf1a2324548e80d6cea295082098ca7d6 SHA-256: 94462faadfaf0ca623ed5ffc7d75a37c83f7e6d0f5bdaaa4d3123b43f181b4ed
96 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 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://trafftec.ru/123?utm_term=axius+rooftop+cargo+bag PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4426090/normal_5fba953a07f38.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427295/normal_5fb3336a85d7b.pdfIn PDF document text
    • http://www.4x4wire.com/mitsubishi/reviews/rackpack/In 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/d77371fc-e995-4565-a37a-d3d8168fe0b4/54283976812.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/38abbe68-580e-4349-b158-050c654eb3a1/51274615716.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c9d071ff-eb2e-4d12-81f9-5a5a90f5b411/83374545424.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5187de92-95b4-446d-bd3f-800bed5d7268/panasonic_pv_dv953d.pdfIn PDF document text
    • https://s3.amazonaws.com/vokeri/the_venus_factor_free_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2bebe106-650c-4a86-a576-33420e33dc74/mukevotirurijorulevasomar.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/70f1b478-6333-43a4-aa6b-70e1fc9e48dc/54236292814.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/69e572dd-ea7a-4297-9d9f-c752802ff3e8/95608695999.pdfIn PDF document text
    • https://s3.amazonaws.com/zuponefi/dr_excuse_note_template.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e400e0bb-277b-4a10-9fdd-2b4a437ac6cd/pukivizamewatepivukepos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7e63cec5-dca5-4f31-ac55-fb29d1e452e9/zenofatol.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cb67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB67 5348 bytes
SHA-256: 4d93722f86ceb2528170c8de300749e15452d8601e20ae95eb633320bd4b18a8
font_01_sfnt_off0000ddab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDAB 11036 bytes
SHA-256: 32926d899963987d2a5cfbc4a57c19dec80294e284e9127f13789cfc5ae26afc

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