Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffe09afb8df83c3d…

MALICIOUS

PDF

65.4 KB Created: 2021-02-21 09:41:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: d65ee8b6b616f04df34c406b99ca6b64 SHA-1: 664f2749b572ce7699cd666390eadf273f4bcb4b SHA-256: ffe09afb8df83c3d98dae0edd38cdb263f402d0d54aa34a143d1668b2de8413e
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded URL points to a resource related to 'commando assault hacked arcadeprehacks', suggesting a lure to a potentially malicious website. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt.

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://druttle.ru/wix?keyword=commando+assault+hacked+arcadeprehacks PDF link annotation
    • https://cdn.sqhk.co/norifasil/FgeglIZ/xarejepewanojin.pdfIn PDF document text
    • https://tusezewepoxir.weebly.com/uploads/1/3/4/3/134339989/5db9dfd831.pdfIn PDF document text
    • https://cdn.sqhk.co/wejideduv/jHgjijb/9851125434.pdfIn PDF document text
    • https://dixozetazexode.weebly.com/uploads/1/3/4/4/134472526/gidopiwiz_gopireluvile_bivabebajim_gifirigoxitin.pdfIn PDF document text
    • https://cdn.sqhk.co/farafakilof/hwijgVU/sharpen_the_saw_habit_7_summary.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/zoromexemuzid/29459675178.pdfIn PDF document text
    • https://s3.amazonaws.com/davawina/google_chrome_terbaru_offline_filehippo.pdfIn PDF document text
    • http://zogutofarori.epizy.com/29414832120.pdfIn PDF document text
    • http://mirokuf.rf.gd/sciatica_exercises_printable.pdfIn PDF document text
    • http://novosumagib.epizy.com/nccn_guidelines_colon_cancer_screening.pdfIn PDF document text
    • http://julivaradisakit.rf.gd/bisetuxal.pdfIn PDF document text
    • http://tidefos.epizy.com/probability_distribution_questions_and_solutions.pdfIn PDF document text
    • http://zotawof.rf.gd/hall_ticket_2019_ignou.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/xarapizurirasiwudonepew.pdfIn PDF document text
    • https://s3.amazonaws.com/mejigavukolu/grievance_investigation_meeting_template.pdfIn PDF document text
    • http://kuxuzaxupamul.rf.gd/crop_rotation_pictures_and_information.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_off0000c3fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC3FB 5280 bytes
SHA-256: ad74b8280e79153f743a190f37cc080cb21f01a56aa799bbf2dc819264dc03d3
font_01_sfnt_off0000d5c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5C0 10140 bytes
SHA-256: 29fc96d965d98053765bef30406c76f9a206263b28998884c99ed21b791f3e36

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