Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e1e6fea0ecfd820…

MALICIOUS

PDF

71.0 KB Created: 2020-12-14 06:26:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: b4d1ba0c8ae6d258d7b853577df21d4e SHA-1: 67f7ad3773f35a3aebf025feb6127804907b0704 SHA-256: 7e1e6fea0ecfd8201bdccae69a8b270179e9914c351767a17e4f9f87996ea4dd
96 Risk Score

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://traffine.ru/strik?utm_term=ross+and+rachel+first+kiss+tale PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4380393/normal_5fa5e1322f9d4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369904/normal_5fc619cdce372.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473044/normal_5fbfd967b57dc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369185/normal_5f88a38abd697.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453741/normal_5fd37705f26ce.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf49713c02f22b9d035534/1606371697762/rupenunebunevopizep.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc51ce4d26ff1194f8f2d2c/t/5fcc7769cded405bb8d131b9/1607235433062/samsung_s8_email_setup_exchange.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc544960b6b03258f52273b/t/5fd6ccb39264095525e3f095/1607912628918/centripetal_force_experiment_lab_report.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd287d3e297f74585cba1d/1606232193870/marta_rail_line_map.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc1273e403f5353fd9754a9/t/5fc416c808845d092409cb3b/1606686408859/animal_jam_memes.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd2839197e6261ba2b72e7/1606232121396/34385420686.pdfIn PDF document text
    • https://s3.amazonaws.com/xirixepo/c_elegans_genetics_lab_report_brooklyn_college.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_off0000da44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA44 5180 bytes
SHA-256: 177208ded1f7f865e3bcef2fe4e5aff1d779ee4f8b5c5fef35efb26c08da2394
font_01_sfnt_off0000ebe1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBE1 10284 bytes
SHA-256: 3bb240676beb814d256b825f361fb19aa3e1626fc99b9bda106ba3ef2552eba8