Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a7d1372e480f02c…

MALICIOUS

PDF

70.5 KB Created: 2021-01-20 07:43:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 339932aa09f4e04c22390a1e40dd3052 SHA-1: 6fc006edc4cc7e8988b648e4a534c3e8201ddd16 SHA-256: 2a7d1372e480f02c58613132504fe71e76d047b7edd89ff3e998857ffa217ff8
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a phishing domain, suggesting a social engineering tactic to trick users into downloading further malicious content. The document body, though heavily obfuscated, appears to be a lure related to product instructions.

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://traffking.ru/123?utm_term=swing-n-slide+turbo+tube+slide+instructions PDF link annotation
    • https://cdn.sqhk.co/lebogomatoze/gd5x5jh/prismic_pinball_full_version.pdfIn PDF document text
    • https://cdn.sqhk.co/sebutarukaw/Ioiibhd/us_murders_2020_statistics.pdfIn PDF document text
    • https://cdn.sqhk.co/manuguwe/fjfmXgh/60042474041.pdfIn PDF document text
    • https://cdn.sqhk.co/fuluniziwav/gjRiikJ/zogilosazasiwowilevos.pdfIn PDF document text
    • http://remumajisipiv.66ghz.com/19731604329.pdfIn PDF document text
    • https://cdn.sqhk.co/xerejijasoma/ejiVDif/stick_fight_2_unblocked.pdfIn PDF document text
    • https://cdn.sqhk.co/rusobotakox/dCNhfhh/pilot_logbook_template.pdfIn PDF document text
    • http://bejuzoz.iblogger.org/2460030868.pdfIn PDF document text
    • https://cdn.sqhk.co/seworani/ngduWgg/lobinojafagedidugarok.pdfIn PDF document text
    • https://cdn.sqhk.co/jekefebiba/gjdjgii/strategic_management_process_model.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/zarusegibitumet/zusovifipobovalojojejoxa.pdfIn PDF document text
    • https://s3.amazonaws.com/dapekufoxiraku/rawape.pdfIn PDF document text
    • https://s3.amazonaws.com/netinuwa/malisizewadu.pdfIn PDF document text
    • https://s3.amazonaws.com/fajeloninesitel/kowewisozutosone.pdfIn PDF document text
    • http://nufufud.epizy.com/master_electrician_exam_questions_and_answers.pdfIn PDF document text
    • http://rituruve.epizy.com/fudafiwaxalipu.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_off0000d5a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5A4 5264 bytes
SHA-256: d8d4a07101eabf32875d6c39a769e10983896dbeb56fa9b0147e1ece022c399b
font_01_sfnt_off0000e7b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7B7 10836 bytes
SHA-256: 0e2543197019b8defaa7fa437bbd909ca7e4f27d4ede952da6957b06ba1365c7

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