Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc08040bcfd78480…

MALICIOUS

PDF

66.6 KB Created: 2020-12-06 14:43:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: e3e0a04c78e0b7e12365b019132c2d27 SHA-1: 90258d32e07cd98862891665da2cd2a2378accc2 SHA-256: fc08040bcfd78480eea2ec2c4477976751a2e02e22ff02c64fda9c068eba25da
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-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/123?utm_term=lenin+and+philosophy+althusser PDF link annotation
    • https://wogijelagorezu.weebly.com/uploads/1/3/4/0/134096035/sabaji-toxibux-xopowa-lafamo.pdfIn PDF document text
    • https://lurefeti.weebly.com/uploads/1/3/4/6/134683691/norevu-wegalur-nizepaxazi-bixis.pdfIn PDF document text
    • https://jufozovujibozom.weebly.com/uploads/1/3/4/3/134360308/111846.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401538/normal_5f9b898396491.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/13d5074c-2e32-4419-84d2-1cc97dcbee18/kenwood_model_kd-5070.pdfIn PDF document text
    • https://s3.amazonaws.com/satulibaren/jodejezovabiruf.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe0f71fa04221c71e82ee4/1606291314338/26358460715.pdfIn PDF document text
    • https://s3.amazonaws.com/laradusa/bodyguard_2011_movie_free.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc65aeb0b6b03258f5a8cb8/t/5fc9f75852b5874c85951f84/1607071577525/mini_golf_3d_winter_adventure_2.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf61334f98375720d81ae2/1606377779980/dippers_guide_to_mystery.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf4d46f81c9a2a0c986893/1606372678501/bajozaxotelidi.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc10d1bea4a794d5645e011/t/5fca08df9bc93d20d9b41445/1607076064856/crossword_solver_help_with_missing_letters.pdfIn PDF document text
    • https://s3.amazonaws.com/xidulumexi/jaani_dushman_old_movie_song.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_off0000c6ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC6AD 5092 bytes
SHA-256: c0bf2e20ff8a6e87a7cd7db63da015ba89c4e23704cb0044e284adf30c42ecff
font_01_sfnt_off0000d7fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7FE 11448 bytes
SHA-256: 9ba47005856069d38fc57fc8268cda48ec33d830e84cfa694161f5f3a48f319b

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