Malicious PDF — malware analysis report

Static analysis result for SHA-256 6db892632ed03b01…

MALICIOUS

PDF

195.2 KB Created: 2020-12-23 01:45:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 65e932d2cb06ad0cf15d2138e06e346f SHA-1: eb98b5ea5264443a993c7aee2ff6ad1987181228 SHA-256: 6db892632ed03b0103e75f17aa8721492d08d03879ee796e62be2b7886b6707e
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI heuristic suggest an attempt to redirect the user to a malicious site, consistent with spearphishing tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 4

  • 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
  • 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://traffset.ru/123?utm_term=skills+worksheet+theory+of+evolution PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4365580/normal_5fb31cdca06ef.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459631/normal_5fdd30196e93c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366359/normal_5f89c6b44bfad.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366637/normal_5f9c20bdea492.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445557/normal_5fa667153138d.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/b4d1bbfb-9aa6-4818-b496-f9d5f6bef1f0/bathroom_corner_shelf_ikea.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e4a011f6a41984859e8d/t/5fc69d713570fb44d1eb1dc7/1606851953789/mavisuselipuxedolupelunax.pdfIn PDF document text
    • https://s3.amazonaws.com/wujapu/312294541.pdfIn PDF document text
    • https://s3.amazonaws.com/jukezeluf/degag.pdfIn PDF document text
    • https://s3.amazonaws.com/punurum/astrophysics_for_the_person_in_a_hurry.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/451d4fbe-1f55-4c3a-a708-9263230021b0/71592723747.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_off0002c588.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C588 5064 bytes
SHA-256: 4aecd53bf49d26009f663cf5632b17c6d0879ede25e90bbd9e3722399233c157
font_01_sfnt_off0002d6e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D6E1 11848 bytes
SHA-256: 36a2e51f699af3e615fc1b8239ef53d4b197db95b04fc36e7e20ff394f207311

Open this report in the interactive analyzer, or submit your own file for analysis.