Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f5e6befed7554de…

MALICIOUS

PDF

81.9 KB Created: 2021-03-21 01:57:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: e33dd274341ac23853ec4ce8f0d4b56d SHA-1: 26fc6daef09fae159fa4fcf739d1151a3688f4c7 SHA-256: 6f5e6befed7554deb1388fa9e1702029faf706edce001905ebcab87a19ac3f4b
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body, though heavily obfuscated, appears to contain text related to a product manual, suggesting a lure to trick users into visiting the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://xajibur.ru/strik?utm_term=hermle+black+forest+grandfather+clock+451-050h+manual PDF link annotation
    • http://afracheat8.xyz/movomenekodavizadi3gvq7.pdfIn PDF document text
    • http://copyrightproblem.com/the_road_to_el_dorado_2000_castxi00u.pdfIn PDF document text
    • http://hookup666.site/surfboard_sb6121_light_codescinax.pdfIn PDF document text
    • http://adyga.site/93522865401khqtx.pdfIn PDF document text
    • http://cartest.pro/grammar_exercises_with_answers_for_class_10ygc6c.pdfIn PDF document text
    • http://susurrus.space/bokuratepenigewifapajimaf1z6ju.pdfIn PDF document text
    • http://beach-fruit.fun/15996448125ej0zw.pdfIn PDF document text
    • http://idealica-official.website/79242307594tv4x2.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/tifuwuw/58232785056.pdfIn PDF document text
    • https://s3.amazonaws.com/pegozegi/what_is_the_social_learning_theory_in_child_development.pdfIn PDF document text
    • https://s3.amazonaws.com/jezobasit/abbyy_finereader_epson.pdfIn PDF document text
    • https://s3.amazonaws.com/timeziso/national_simultaneous_earthquake_drill_2019_narrative_report.pdfIn PDF document text
    • https://s3.amazonaws.com/febopa/bakud.pdfIn PDF document text
    • https://s3.amazonaws.com/bejenosugede/totozanofuperoxumino.pdfIn PDF document text
    • https://s3.amazonaws.com/gasodamuza/ruxafefuvorused.pdfIn PDF document text
    • https://s3.amazonaws.com/juvuraguvutoxif/fitisiwi.pdfIn PDF document text
    • https://s3.amazonaws.com/jasipefulaxiduj/81142561350.pdfIn PDF document text
    • https://s3.amazonaws.com/webipejonavuv/kugedet.pdfIn PDF document text
    • https://s3.amazonaws.com/levumoduf/dasulo.pdfIn PDF document text
    • https://s3.amazonaws.com/wujafivabipo/57479561977.pdfIn PDF document text
    • https://s3.amazonaws.com/viwoxuz/33869798213.pdfIn PDF document text
    • https://s3.amazonaws.com/kavugusepe/71397747503.pdfIn PDF document text
    • https://s3.amazonaws.com/kobivimelelo/pesuzenagoreguvabavaga.pdfIn PDF document text
    • https://s3.amazonaws.com/dudigonifu/harga_jam_tangan_tissot_1853_l875_975k.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_off0000fce0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCE0 6036 bytes
SHA-256: c7d7cdff262f1336279a166f9fcb41299fa94719cf46207de7aae52cf3093910
font_01_sfnt_off00011152.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11152 11516 bytes
SHA-256: 19c78051df057f3259c67ef07c17e62a65763f008700908d53f689c75db4a942

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