Malicious PDF — malware analysis report

Static analysis result for SHA-256 a20fb205e490bf73…

MALICIOUS

PDF

78.7 KB Created: 2021-03-01 14:26:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 04e7c217a5b35e35f4111055f73eac4c SHA-1: 93a798c79f57537756f6aa8e5ac837b1136cb0b3 SHA-256: a20fb205e490bf73e409d39ff2db1cb42b9b33fb5dc510a713a2524a4a3b833f
96 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The embedded URL 'https://resalured.ru/wix?keyword=destiny+2+dust+rock+blues+farm+2020' suggests a phishing or malware distribution lure related to game content. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing attempt, likely leveraging social engineering to trick users into visiting malicious sites.

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://resalured.ru/wix?keyword=destiny+2+dust+rock+blues+farm+2020 PDF link annotation
    • http://azorocheat1.xyz/system_analysis_and_design_project_proposal_ideasnuj4n.pdfIn PDF document text
    • http://kiragirutuloga.iblogger.org/nesinujiwulojiregikewid.pdfIn PDF document text
    • http://devlp.design/wapitazoguzokzf7y.pdfIn PDF document text
    • https://cdn.sqhk.co/nobegasosev/y2ijq7y/43442079001.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4428083/normal_5fec2d8dec96a.pdfIn PDF document text
    • http://ing-jobs-opportunities.com/munewikutemamatanul8ayc.pdfIn PDF document text
    • https://cdn.sqhk.co/jerivudofin/gcxMKzm/mountain_bike_shops_online.pdfIn PDF document text
    • https://cdn.sqhk.co/kinibemazoz/gftoEjj/252971875.pdfIn PDF document text
    • https://cdn.sqhk.co/zezaxemepe/ryhcQYh/shark_ion_robot_r87.pdfIn PDF document text
    • http://microdigitalmeter.xyz/1473372020610564.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/toguvaju/gallery_bootstrap_template_free.pdfIn PDF document text
    • https://s3.amazonaws.com/fowonaxul/sarkari_result_jeecup_online_form.pdfIn PDF document text
    • https://s3.amazonaws.com/dagasopones/24613165864.pdfIn PDF document text
    • https://s3.amazonaws.com/tixeligufokup/6490028545.pdfIn PDF document text
    • http://felawikemuda.epizy.com/cup_of_tea_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_off0000ec33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC33 5744 bytes
SHA-256: 5e0b51d70ed8e3e40e064f27fe04037b5e65e708433ab90397560912920ab7cb
font_01_sfnt_off0000ffc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFC1 14436 bytes
SHA-256: e01438692bcd4fe2ee7b2c1be2d943bd6ec88a09b02d2b89f42aca5dd5fd4953

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