Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2ae9bfe8bdc07ed…

MALICIOUS

PDF

75.4 KB Created: 2021-05-11 09:30:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: dad9378a7234cbcf98667e0e0b4d3842 SHA-1: ecc4c7b8b69a5439d679be6e499b62ba80b65fea SHA-256: e2ae9bfe8bdc07ed54b351eae552190b4cce16c4989f2e6c5dc3633bdc8f2c15
126 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs, with a primary suspicious URL pointing to 'dugedepap.ru'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The document body, though heavily obfuscated, appears to be a lure related to movie streaming.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://dugedepap.ru/strik?utm_term=helter+skelter+full+movie+online PDF link annotation
    • https://logifuvixejexa.weebly.com/uploads/1/3/6/0/136019385/8517128.pdfIn PDF document text
    • https://cdn.sqhk.co/pabelewexo/aihuOEh/54376638796.pdfIn PDF document text
    • http://fakosujonipej.iblogger.org/endologix_inc_annual_report.pdfIn PDF document text
    • https://lafakizivubev.weebly.com/uploads/1/3/4/7/134767266/2d46842ade998bf.pdfIn PDF document text
    • https://jilolepileg.weebly.com/uploads/1/3/1/4/131453494/puwez.pdfIn PDF document text
    • http://pinegobojefo.getenjoyment.net/what_were_the_terms_of_the_treaty_of_paris_of_1783_and_how_did_it_help_establish_the_united_states.pdfIn PDF document text
    • https://cdn.sqhk.co/koluvukirate/iidjjhl/91017122874.pdfIn PDF document text
    • https://gatepeduvemixif.weebly.com/uploads/1/3/4/6/134669895/kufovebamapetur_texokekovebad_pilogafom_jinas.pdfIn PDF document text
    • http://kukogekaw.sportsontheweb.net/lc_oscillator_theory.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/c1721a25-cde0-4886-b105-597719f51c5e/motorola_gateway_default_password_sbg6580.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d8890931-7b52-4708-83a9-eb6cb7eb311a/how_to_learn_f2l.pdfIn PDF document text
    • http://pekudus.rf.gd/fejoveludawizukewifewov.pdfIn PDF document text
    • http://lapafat.rf.gd/98084506542.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4bebdf1e-c03d-4326-bee8-4af5f475bdab/the_magic_school_bus_books.pdfIn PDF document text
    • http://tinanatibora.rf.gd/samikapugerubexowibubosef.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_off0000ea44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA44 4788 bytes
SHA-256: c832b97e44577feb89c3dc4b98e62ff6e078c085c3979657de06fc041b192984
font_01_sfnt_off0000fa7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA7B 11044 bytes
SHA-256: 594cfe6fc54fe6be8e5c7daca7beb211d2e118d8793d2e5eca8d9c4087a40bd6

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