Malicious PDF — malware analysis report

Static analysis result for SHA-256 08bcd913f2ca5d34…

MALICIOUS

PDF

70.2 KB Created: 2021-02-18 07:55:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 5fb60997216f26d811f6a5e70b27e3cf SHA-1: f948568e1eb05e2b4cde28e980cfd560eeadc145 SHA-256: 08bcd913f2ca5d34ee8e122237d1e900b404e4635b61c89b36af7cacacafe7a8
126 Risk Score

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://jottigo.ru/wb?keyword=patton%20holmes%20milkhouse%20utility%20heater%20puh680u PDF link annotation
    • https://cdn.sqhk.co/fivodewile/jjjEVw1/nuzevolevapadu.pdfIn PDF document text
    • http://vamoktin.ru/41380841097m023p.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377109/normal_5ff15d7804fe2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390382/normal_600a263e6a683.pdfIn PDF document text
    • http://fomolazekuwok.22web.org/toddler_bed_fitted_sheet_asda.pdfIn PDF document text
    • https://cdn.sqhk.co/dibirolinu/DhFhdNh/84516558988.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486042/normal_5ffe6330562ce.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384035/normal_600492f9a765c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472200/normal_5fd8fdf1eb2f1.pdfIn PDF document text
    • https://cdn.sqhk.co/leporolino/j7ggto4/zanow.pdfIn PDF document text
    • http://de-bewertung-889562.icu/4093061150023a6a.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/xewamejixolefaj/yasin_tahlil_latin.pdfIn PDF document text
    • http://zigimavabixexib.epizy.com/kolabir.pdfIn PDF document text
    • http://zojasofox.epizy.com/open_source_video_er_software.pdfIn PDF document text
    • http://vuvodulewuxewe.epizy.com/piano_chords_sheet_music_free.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_off0000d2cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2CD 5716 bytes
SHA-256: 1b5d509269b6c6268b56cf180033e84bbe8dd4463d11481ab5c7625176a90c2b
font_01_sfnt_off0000e618.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE618 10972 bytes
SHA-256: 0a5088e3b15af12f08964004953ab16c0ba0ddc08e4a25f05f4a12e14a761055