Malicious PDF — malware analysis report

Static analysis result for SHA-256 60caa162d6a8aede…

MALICIOUS

PDF

79.3 KB Created: 2021-03-31 17:40:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 74878d15ce3312066676811384e2450b SHA-1: dff4fb018b53650995018959d307467ee6d7821d SHA-256: 60caa162d6a8aedee2879ea946896eb761d007357628b3c9b865abf01b87a00d
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 0.9997

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://leonvi.ru/strik?utm_term=reported+missing+bbc+season+3+episode+2 PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4366973/normal_5feb6dfec4bf7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425515/normal_6027290c2af59.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495244/normal_5fee9d2852632.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488322/normal_5ff426cbbc918.pdfIn PDF document text
    • https://cdn.sqhk.co/muligumixe/hgihffJ/84212491118.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373755/normal_5fcaed1cededa.pdfIn PDF document text
    • https://cdn.sqhk.co/kixobaza/c2iePhc/40285901427.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413236/normal_5ff26a913f759.pdfIn PDF document text
    • https://cdn.sqhk.co/mirusopujame/W11jdib/litowujenebugapulif.pdfIn PDF document text
    • https://cdn.sqhk.co/dozawulu/fpThigj/policy_cancellation_request_letter_format.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387224/normal_6010a941d0541.pdfIn PDF document text
    • https://cdn.sqhk.co/xekixuzurim/hfsIgBs/70046815574.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/wunupalezozerud/ministerio_de_seguridad_boletin_informativo_ascensos_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/gedimuta/how_to_prepare_for_navy_eod_training.pdfIn PDF document text
    • https://s3.amazonaws.com/tinivukedeta/element_tv_problems_with_channel_auto_scan.pdfIn PDF document text
    • https://s3.amazonaws.com/kujapomib/26311774594.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0d9fe0de-e87d-467b-95ad-2058e52ecc1d/forefikavo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/27b90624-8a81-4b87-8697-f591ce35882d/ford_mustang_shelby_gt500_-_760_hp.pdfIn PDF document text
    • https://s3.amazonaws.com/vudivuzakal/30830901002.pdfIn PDF document text
    • https://s3.amazonaws.com/setikizo/best_xbox_one_controller_charging_dock.pdfIn PDF document text
    • https://s3.amazonaws.com/xewamejixolefaj/sodijokepoxuv.pdfIn PDF document text
    • https://s3.amazonaws.com/zatasipezeg/47716852355.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_off0000f73d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF73D 5804 bytes
SHA-256: 6b532b307f170a0c0db93b375e78dab5915dee39f3085fc4fdc4af48253eaedf
font_01_sfnt_off00010ae5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10AE5 10856 bytes
SHA-256: 16038a9c83b9eb3ecc9b906fc5c6061d3ef0372ba96013a9a3f2b97d47964fad

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