Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a7086a106a5e5ae…

MALICIOUS

PDF

68.4 KB Created: 2021-02-12 07:54:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 8a4e7d712cb792bce8f19726665f1d81 SHA-1: e11722b6133fdd70602c6a02e62581c2ed4cc7b9 SHA-256: 2a7086a106a5e5ae1594418bac829dc1461326a84bfc0d68f721a0cb66ffda69
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that redirects to a website designed to appear as a search result, likely to trick users into downloading further malware. ClamAV and ML classifiers strongly indicate malicious intent, and the presence of multiple external URLs suggests a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://seumenha.ru/wb?keyword=bhakti%20geet%20song%20%20free PDF link annotation
    • http://selectgetc.top/nezebibuzebizd4m4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460228/normal_5fe634a62b076.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492253/normal_5fed6171abd8b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485809/normal_6025fc30859f4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465537/normal_5ff8c4cc05ed0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459805/normal_5ff7e1f5b9d8d.pdfIn PDF document text
    • http://afracheat6.xyz/grants_atlas_of_anatomy_15th_editionx12ml.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413019/normal_5ffab2cd404d2.pdfIn PDF document text
    • https://cdn.sqhk.co/tegatiwuwax/Qrha8gd/xuburuwosepilukajanir.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425728/normal_601b8a619dba5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389793/normal_5ff2490c2db15.pdfIn PDF document text
    • https://cdn.sqhk.co/puwetudul/iicjjG9/soy_peor_bad_bunny.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462694/normal_5fe726de1fcdb.pdfIn PDF document text
    • https://cdn.sqhk.co/weruvewo/ggXWfGj/tabirututaros.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381962/normal_5ff0d3677abf1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zevofelajasuz.epizy.com/maths_geometry_puzzles_with_answers.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_off0000cdf0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDF0 5108 bytes
SHA-256: 11d8c6c26a60c59540f247158f229e3a822d9a5945426b7414982d8f5ba99dd8
font_01_sfnt_off0000df56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF56 11224 bytes
SHA-256: 0926f515bfa8aa02549a99ef67e7d728281510cc1756333b053cb660fbef7cd9

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