Malicious PDF — malware analysis report

Static analysis result for SHA-256 69017a0caed6d5e9…

MALICIOUS

PDF

68.9 KB Created: 2021-02-26 02:02:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 2d6479effac85cb3c35ed377c6a6e65f SHA-1: fc30f3c5e6e1b1afe476291e9e717d06e80ff4dc SHA-256: 69017a0caed6d5e90148995d4db47457308d50548f2d87abd4d93ea7b0876a40
244 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • 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://yafferge.ru/award?keyword=sansui+tv+customer+care+number+in+bihar In PDF document text
    • https://zuxibonidape.weebly.com/uploads/1/3/4/8/134889984/2961935.pdfIn PDF document text
    • https://gadikidaju.weebly.com/uploads/1/3/1/3/131379663/gixurekeduxefin.pdfIn PDF document text
    • https://damatabawapu.weebly.com/uploads/1/3/1/3/131379320/sivov.pdfIn PDF document text
    • https://rakafofolobe.weebly.com/uploads/1/3/4/6/134649319/5354568.pdfIn PDF document text
    • https://rejurikin.weebly.com/uploads/1/3/1/0/131070637/wuviselaxa.pdfIn PDF document text
    • https://firulasimasib.weebly.com/uploads/1/3/0/9/130969438/xisidewazixotafoba.pdfIn PDF document text
    • http://helplnstagramcontact6088757.com/drastic_ds_emulator_apk_download_iosz8k2f.pdfIn PDF document text
    • http://dietnatur.fun/electrical_safety_awareness_program_templateax5qt.pdfIn PDF document text
    • http://24magazine.ru/nocturne_secret_garden_sheet_music_violin_freeu9tqr.pdfIn PDF document text
    • http://trikolor.site/sujufezote2qwax.pdfIn PDF document text
    • http://interplast.ru/sample_recommendation_letter_for_scholarshipmxr5x.pdfIn PDF document text
    • https://pepigapipewoma.weebly.com/uploads/1/3/4/0/134000130/e617bcab.pdfIn PDF document text
    • https://dopovubejaxow.weebly.com/uploads/1/3/4/0/134017692/kupisajusanidunuvafo.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/gotijejaj/kasupaduxugurusep.pdfIn PDF document text
    • https://s3.amazonaws.com/pajukovuxetu/25499453121.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_off0000c4ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC4EF 5312 bytes
SHA-256: 2ed6d25214496b34ddb09230e0104a37f41d7294cb5bda6df61c0532f37cfc1a
font_01_sfnt_off0000d6d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6D6 14804 bytes
SHA-256: a95d2ca602862547006e2964d797da22d612f8b2c12614f3877c7685147aad78

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