Malicious PDF — malware analysis report

Static analysis result for SHA-256 d095bd4e11d204be…

MALICIOUS

PDF

211.4 KB Created: 2021-03-16 13:28:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 416b07c76f335ee8068ebd7cfdbd929f SHA-1: 1055dfa9b2458dc93b2d6e13e98b27e524e9c726 SHA-256: d095bd4e11d204be98e42fb98b93d2cf771e6fe17f47b2d5dc26d527238aed4b
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9968

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://xezojetit.ru/award?keyword=aoac+official+methods+of+analysis+volume+2+pdf+1990 PDF link annotation
    • http://zitirisiz.mywebcommunity.org/old_school_cars_and_trucks_for_sale_on_craigslist.pdfIn PDF document text
    • https://cdn.sqhk.co/sunidajep/cjiI45c/86246644116.pdfIn PDF document text
    • http://wotaxatumumodok.sportsontheweb.net/28643835700.pdfIn PDF document text
    • http://batmbatm.ru/how_to_fix_galaxy_tab_a_charging_portb2gi3.pdfIn PDF document text
    • http://xilibinebosapeg.mywebcommunity.org/business_english_conversation_for_beginners.pdfIn PDF document text
    • https://cdn.sqhk.co/jobasalem/fXhhghh/lawiponakudi.pdfIn PDF document text
    • http://bapatavusirave.mygamesonline.org/how_to_maintain_weight_with_type_1_diabetes.pdfIn PDF document text
    • http://lastasked.com/gexemozakow5m1wo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nitovotiroxe.epizy.com/37459614002.pdfIn PDF document text
    • http://kiwuvapinemugi.rf.gd/boss_katana_tone_studio_manual.pdfIn PDF document text
    • http://keregimuw.onlinewebshop.net/xoloforilopoladi.pdfIn PDF document text
    • http://nixomirorubu.myartsonline.com/dosemuxifa.pdfIn PDF document text
    • http://tutafibinow.epizy.com/acquisitions_incorporated_free.pdfIn PDF document text
    • http://rabuvof.rf.gd/pasozokotawutuvefipez.pdfIn PDF document text
    • http://pajogapusifured.rf.gd/communist_manifesto_hindi.pdfIn PDF document text
    • http://dolifusekaxug.epizy.com/42976500891.pdfIn PDF document text
    • http://naxesabefadufu.atwebpages.com/fusionner_deux_sur_mac.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_off000301a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x301A7 5932 bytes
SHA-256: a9ac076a2430a2b584946939cf14ae9e996dba4a326bd67407c0cc7f096de0f3
font_01_sfnt_off000315d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x315D1 12964 bytes
SHA-256: 25ae7015a1299d158e399605d221ad0ba5a3d9e625cfbbb1283a2c542bb68344

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