Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a29951063780f35…

MALICIOUS

PDF

67.5 KB Created: 2021-02-18 21:03:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: b9c99e67f3abf5012c3ab2d5b918c71e SHA-1: 8777ae010416712fbc6955f2bd768d520898302e SHA-256: 0a29951063780f355e7990c28153f47a243382f6b37054f87c91d9e8a92bd6c6
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://jottigo.ru/wix?keyword=john+deere+xuv+550+service+manual PDF link annotation
    • http://bilizan.iblogger.org/platform_heels_sandals_images.pdfIn PDF document text
    • http://grusha.space/664904865044q511.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391649/normal_602dcc8ff114d.pdfIn PDF document text
    • https://cdn.sqhk.co/fesakesovoka/ijgaaif/20441321221.pdfIn PDF document text
    • https://cdn.sqhk.co/xanikadir/mtTJgcv/solar_system_diagram_including_dwarf_planets.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4457620/normal_5ff23bddb025d.pdfIn PDF document text
    • http://zobebukore.22web.org/ac_market_apk_files_pc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366044/normal_5ffb859eb0a5f.pdfIn PDF document text
    • http://websporizle3.com/business_process_model_exampleqaj3k.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410717/normal_5fdd66fc6c64a.pdfIn PDF document text
    • http://jewlgems.com/three_defenders_20vwoo.pdfIn PDF document text
    • https://cdn.sqhk.co/xafeperale/Uo0hfgg/beli_pulsa_data_telkomsel_online.pdfIn PDF document text
    • https://cdn.sqhk.co/wosepimi/bjfwuKC/72383586420.pdfIn PDF document text
    • http://characduwe.space/cyberpunk_2020_core_rulebookaha53.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bufizufidubak.rf.gd/923789318.pdfIn PDF document text
    • http://pujixedigegogup.epizy.com/formation_anesthesie_pediatrique.pdfIn PDF document text
    • https://s3.amazonaws.com/jefobexapulow/employment_letter_format_for_oci.pdfIn PDF document text
    • http://relizaki.epizy.com/time_management_for_students_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/xafaxotaful/mystic_messenger_v_route_email_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/poresi/sidavefigis.pdfIn PDF document text
    • https://s3.amazonaws.com/mivokozibu/demitipowizo.pdfIn PDF document text
    • https://s3.amazonaws.com/xomudufe/fusiform_muscle_fibre_arrangement.pdfIn PDF document text
    • http://vogojitipam.epizy.com/givisajo.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_off0000cbc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCBC8 5564 bytes
SHA-256: 1a40bec211dbd9f9ae5b1b06f1a8eb1a7fb7b1792338868d3bc0b2e910b36205
font_01_sfnt_off0000de8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE8B 9980 bytes
SHA-256: 7917503c45f1471edb04c2479de121bccc62b3996c86fb2c07f5f1ad29b168f3

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