Malicious PDF — malware analysis report

Static analysis result for SHA-256 7607e618b9717b24…

MALICIOUS

PDF

71.5 KB Created: 2021-02-24 01:17:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 662fbb9d38c67d1c31704d3709c72dd4 SHA-1: 8c7e40615f7047d804cd8a433a0be64d669e0c8c SHA-256: 7607e618b9717b24fed18839b6b69f6c3fb43ba078c1784cc8e4ffab243c2152
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a site offering a 'goalkeeper gloves size guide', a common lure for phishing or malware delivery. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to lead the user to a malicious site, likely for credential harvesting or further payload delivery.

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://leonvi.ru/wix?keyword=goalkeeper+gloves+size+guide+adidas PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4404529/normal_60065b1892ff4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4527357/normal_6007b815b39b0.pdfIn PDF document text
    • https://cdn.sqhk.co/lusimalifa/ORigmih/hair_salons_near_me_now_open.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444353/normal_60039a57f1d2b.pdfIn PDF document text
    • https://cdn.sqhk.co/semiwewedazi/7Bgd3cX/zedusumuwurazawibimiguxit.pdfIn PDF document text
    • http://fipexen.iblogger.org/34658723036.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375884/normal_6005e500d48bd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412584/normal_5fd674d5e72db.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474457/normal_5fc5a34425106.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471985/normal_601771cd1532d.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/mivokozibu/trace_alphabet_letters_worksheet_free.pdfIn PDF document text
    • http://tevufojetuxovud.rf.gd/android_check_sdk_version_runtime.pdfIn PDF document text
    • http://nowuvopejolek.rf.gd/movudo.pdfIn PDF document text
    • http://roripufunubome.rf.gd/suntrust_investment_services_address.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_off0000db73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB73 5332 bytes
SHA-256: d075c5a5bd6343292813590718498e520c08705284dc697c365b89cd9f9414a9
font_01_sfnt_off0000edb4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDB4 10240 bytes
SHA-256: 031312b46198380dbb04976d71e35df3bcbbbd9ddf6b5fae83c761cae19088af

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