Malicious PDF — malware analysis report

Static analysis result for SHA-256 df989e9db9e7fcde…

MALICIOUS

PDF

84.4 KB Created: 2021-03-18 14:47:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: 47f94d38c4844b2ff2165ad74549f789 SHA-1: 4e144ad05bb373e5f9231f3de87c3da374aaa003 SHA-256: df989e9db9e7fcded02633894d2efd378ed636a9ff74dd6d774847440d81522a
96 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The document contains an embedded URL that directs users to a suspicious domain, likely as part of a phishing or redirection scheme. The presence of an external URI heuristic further supports the malicious nature of the file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://golowaki.ru/wix?keyword=swtor+sniper+marksmanship+or+virulence PDF link annotation
    • https://cdn.sqhk.co/xavaxonad/gYhfgg0/negurisifu.pdfIn PDF document text
    • https://cdn.sqhk.co/konidadelan/gcjejdH/my_octopus_friend_review.pdfIn PDF document text
    • https://cdn.sqhk.co/josozudibud/GqgdCPo/fun_bang_race_3d_level_82.pdfIn PDF document text
    • http://zuzatew.medianewsonline.com/blockchain_real_estate.pdfIn PDF document text
    • https://cdn.sqhk.co/zusisoko/Wwhj0jh/70717188675.pdfIn PDF document text
    • http://zexaribamemavi.sportsontheweb.net/zawap.pdfIn PDF document text
    • https://cdn.sqhk.co/zepipawetopi/gghjdif/81289456230.pdfIn PDF document text
    • http://nakodinita.scienceontheweb.net/maharashtra_housing_society_bye_laws_2020_in_marathi.pdfIn PDF document text
    • https://cdn.sqhk.co/vopokemib/itjjf8u/cooking_fever_apk_para_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/biwizalibe/aghhTIa/96506839418.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/e5b398b6-8415-488f-b3a2-b392436024ec/blank_world_map_with_countries_outline_printable.pdfIn PDF document text
    • https://s3.amazonaws.com/tawovojo/garmin_echomap_43dv_power_cord.pdfIn PDF document text
    • https://s3.amazonaws.com/babuxufarizuxur/roomba_770_error_codes.pdfIn PDF document text
    • https://s3.amazonaws.com/sikuva/skeleton_3d_anatomy_apk_full_unlocked.pdfIn PDF document text
    • https://s3.amazonaws.com/fadadedezeker/fojegodudedozetowigoma.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca0018c0-f747-49ea-bdb7-75e18b210150/descargar_cancion_de_ana_gabriel_huelo_a_soledad.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6663d570-c03d-4062-9cd6-cbb4956c59b7/zogumoximof.pdfIn PDF document text
    • https://s3.amazonaws.com/sagotomagin/zegizumulixefu.pdfIn PDF document text
    • https://s3.amazonaws.com/jugobimuraje/wuwopajozizogiduvugidado.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/219e8dc8-d062-4f0b-b9a8-f015bc981fd8/xaridokenezidakomatupi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b73df7a1-d43e-478c-8603-61f9b936b4b4/60079618210.pdfIn PDF document text
    • https://s3.amazonaws.com/legobegutulo/vapedozenuketebex.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_off0001092c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1092C 5492 bytes
SHA-256: a6d5b5f00b340da818ed024f5f20d812c551e792dd7ba5027e3e2b02c2943c96
font_01_sfnt_off00011bc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11BC6 11144 bytes
SHA-256: df27570ba2df4a99a37dfd0f963cd3b5855559d8e5cb1436440ceb7cca3a957e

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