Malicious PDF — malware analysis report

Static analysis result for SHA-256 988dd3acb1f27896…

MALICIOUS

PDF

81.5 KB Created: 2021-02-23 04:23:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 5b10ef00952e86dc6a1db22969dffccf SHA-1: 776969b3773c4915ecabf73d9714241ff36bc2aa SHA-256: 988dd3acb1f27896e63acde0afb139259f0a9c87e5ec1b2ca7648f657d743053
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a suspicious domain, masquerading as a search result for a movie. This technique is commonly used in phishing attacks to redirect victims to malicious websites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://seumenha.ru/strik?utm_term=george+bataille+story+of+the+eye+full+movie PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4383801/normal_5fcd66e21d355.pdfIn PDF document text
    • https://cdn.sqhk.co/sewizefaxiki/faKihHO/51195959207.pdfIn PDF document text
    • https://cdn.sqhk.co/besudamuge/fgj0znP/word_pets_game.pdfIn PDF document text
    • http://onatural.space/483618752443yvc9.pdfIn PDF document text
    • https://cdn.sqhk.co/werutojij/SfcHJjd/gejibujuka.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388163/normal_5fee359b98bfd.pdfIn PDF document text
    • https://cdn.sqhk.co/popaxutu/eGWgjhC/62247159737.pdfIn PDF document text
    • https://cdn.sqhk.co/notudubugu/fjaT8n2/make_flickr_photos_downloadable.pdfIn PDF document text
    • https://cdn.sqhk.co/xolofiwano/ngcrhif/ant_colony_optimization_algorithm_tutorial.pdfIn PDF document text
    • https://cdn.sqhk.co/kedezoge/BCghmji/ronin_warriors_myanimelist.pdfIn PDF document text
    • https://cdn.sqhk.co/xutazazo/FP4heBQ/jolelinepofopazipoxoto.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384142/normal_600ca8ca6c7d3.pdfIn PDF document text
    • https://cdn.sqhk.co/xixujipum/i5Yjjji/large_water_slides_for_rent_near_me.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/xisefowu/answer_buzzers_in_store_near_me.pdfIn PDF document text
    • https://s3.amazonaws.com/donukadizolin/wevulanuwurufubutifamizal.pdfIn PDF document text
    • https://s3.amazonaws.com/luramamelolem/72456526243.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_off00010214.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10214 5512 bytes
SHA-256: 8391daf8434d3807bcbbdeb204a608634355204080e8f730eae067e43b926524
font_01_sfnt_off000114bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x114BC 10596 bytes
SHA-256: 1d79b8bf2185e73089d9bd33213e092d6f18a8c60cbd8deb6eec109935eaf3cb

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