Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d01b5e80c7cd27f…

MALICIOUS

PDF

72.0 KB Created: 2020-12-24 12:21:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 8cbfc8361bc6f9f9c867c440d6c93b43 SHA-1: 019c00c7da391e114a88573bf7b18cd2a2e5259f SHA-256: 7d01b5e80c7cd27fb6ba61f8f6fad4a07567376d67044b90bf5da1beb585e70a
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains an embedded URL that promises a free download of a "gunship strike hack version". This, combined with the ClamAV detection and ML classifier flagging, strongly suggests a phishing or malware distribution attempt. The presence of PDF_URI and EMBEDDED_URL heuristics further supports this, indicating the file is designed to redirect users to malicious content.

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://traffine.ru/strik?utm_term=gunship+strike+hack+version+free+download PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4464722/normal_5fc2caa093f9a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411921/normal_5fa2cd8781a2a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366358/normal_5fc8f30a206f6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369493/normal_5fa736a254acd.pdfIn PDF document text
    • https://cdn.sqhk.co/kipasewimoni/ejehcgf/basketball_free_throw_drills.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477400/normal_5fcb00cf3ccdc.pdfIn PDF document text
    • https://cdn.sqhk.co/dutebosatu/ijdjahe/prison_break_cast_season_4_episode_16.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372983/normal_5fbe79f9ce494.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/99440c23-92c5-4bf4-9501-cd9449c111af/wendys_menu_nutritional_info.pdfIn PDF document text
    • https://s3.amazonaws.com/davolazupivowi/mupobunegoluwewodegugu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ab40813-fe5e-4e92-ae8e-4945372ab057/apple_id_reset_watch_forgot_password_and_id.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b65a557c-eb26-46d8-8a0b-caea1d6508db/82779089968.pdfIn PDF document text
    • https://s3.amazonaws.com/nuvukivaxiren/lupixukija.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cd47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD47 2880 bytes
SHA-256: 80960c5ef920dc812f40421d0c41ad5272b60f71c1256c1bdf7a11afd8d5b2df
font_01_sfnt_off0000d784.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD784 5492 bytes
SHA-256: 14e401f03020ae83d827a69cc4f790de3926d78d581235069dabb675a3eb8a9a
font_02_sfnt_off0000ea47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA47 11304 bytes
SHA-256: fb6558d466d45392e1619e3c2ee6b40849cdea07a56a7bfe3955682fccfe33aa

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