Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2932ca6eae56629…

MALICIOUS

PDF

81.1 KB Created: 2020-12-09 18:31:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 5d0c33f5ce1922d4d8b6ba4137e64a2c SHA-1: 9cd9be91b980a5d33e28e52d13270d6a127faaab SHA-256: e2932ca6eae56629f362f70b33d3ac93e7b999816aff28a6ed03cbc45a5abe0b
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 0.9998

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://traffset.ru/strik?utm_term=starting+strength+pdf+free+download PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4392658/normal_5f9966a5cd3e7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385421/normal_5f91f2c2e8455.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447903/normal_5fb5df65b5bd6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4423780/normal_5fa8d1ad61ad8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4406464/normal_5fc32746385e1.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/5fc5196816f6d44b07d9ab25/t/5fcb393721c0486e91915096/1607153977259/rolling_sky_bonus_38.pdfIn PDF document text
    • https://s3.amazonaws.com/jozetej/70382197175.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/540fd948-8d19-4e73-948d-58354bb67217/98458632418.pdfIn PDF document text
    • https://s3.amazonaws.com/tudawufed/prism_and_pyramid_questions.pdfIn PDF document text
    • https://s3.amazonaws.com/nilafafakem/41625722497.pdfIn PDF document text
    • https://s3.amazonaws.com/gezejoputiwinu/bikini_body_guide_help_nutrition.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0672f60f2895dc1e54ab2/t/5fcc3a6624c49707d3123865/1607219815205/worupebizoloxuzugixe.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd1cd09eac5d50e5699d1f/1606229201273/ravnica_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/fezenur/aims_and_objectives_of_peace_education.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_off0000fedb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEDB 5500 bytes
SHA-256: 72a36f9f1b1297f42e97831069efa4ac007c4ca8ed5986cbc077e1df16d5fde6
font_01_sfnt_off0001119d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1119D 10984 bytes
SHA-256: a50277d1fbc100329f8b82224a0640e921b04602296cab88d5244af99f49ceae

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