Malicious PDF — malware analysis report

Static analysis result for SHA-256 01f8b2644633dc8e…

MALICIOUS

PDF

84.2 KB Created: 2021-05-20 22:08:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2cc55356abeae1285ebdbe94cd1d9028 SHA-1: d8cb925066188de2b67e6155b915c914c524551d SHA-256: 01f8b2644633dc8ecd852d031948e8b27c373eed344c7898753069f340b15aab
96 Risk Score

Malware Insights

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

This PDF document contains an embedded URL that redirects to a malicious domain, likely intended 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 it's designed to exploit vulnerabilities or trick the user into visiting a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://dugedepap.ru/strik?utm_term=spider+man+ps4+freedom+tower
    • https://wumigativagulam.weebly.com/uploads/1/3/1/6/131637174/1df728cbf.pdf
    • https://taxonegumogel.weebly.com/uploads/1/3/5/3/135330056/roxiripefalotepitu.pdf
    • https://wulakajif.weebly.com/uploads/1/3/2/7/132740593/4321405.pdf
    • https://famonusowofem.weebly.com/uploads/1/3/4/3/134349488/4562182.pdf
    • https://xoxomupufolud.weebly.com/uploads/1/3/0/9/130969418/lejutuzifotev-zesir-vepeduwanum.pdf
    • https://static.s123-cdn-static.com/uploads/4492246/normal_5fc76789f0fde.pdf
    • https://nokemodikobo.weebly.com/uploads/1/3/4/3/134308311/piratojenuzupaz.pdf
    • https://ritewelikuwu.weebly.com/uploads/1/3/4/4/134493798/vexanisiwis.pdf
    • https://cdn-cms.f-static.net/uploads/4421471/normal_60366c6da63bd.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/99e2bb10-e4e8-4092-99ca-b27ae319198b/dajusivuponowakenipimade.pdf
    • https://s3.amazonaws.com/nigimul/40610161482.pdf
    • https://s3.amazonaws.com/daxemo/53410051838.pdf
    • https://uploads.strikinglycdn.com/files/2b65e8ba-641f-4df7-bef5-3b67655ac473/nineridevetisupizizanipeg.pdf
    • https://s3.amazonaws.com/bojafazes/7347155859.pdf
    • https://s3.amazonaws.com/zozuxukoxo/devex.pdf
    • https://s3.amazonaws.com/nedijowewoded/lugevegerirebukumalagix.pdf
    • https://uploads.strikinglycdn.com/files/a2437754-e737-4be3-b2ff-162c1c44e559/how_many_types_of_workshops_are_there.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ed22.bin
ba91d56731ac1af7edf3a0d2ea144dc64a3641bd6ad5dfb06f59f1f35d59ac0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xED22 4968 bytes
font_01_sfnt_off0000fe69.bin
7f57f11194363dede3e9873031397d102c58ae63223bb829c3d6eaa1f1a21c3c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFE69 5224 bytes
font_02_sfnt_off0001101e.bin
9495af3e83cdf750b5f0c596454289648296df148c9eb62b8b310122e1a7ebcd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1101E 10896 bytes
font_03_sfnt_off0001354b.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1354B 4324 bytes

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