Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ff65ad5017a2dca…

MALICIOUS

PDF

65.9 KB Created: 2021-03-02 18:02:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 30d1e185a60e225fdde6e411ed24e965 SHA-1: d5cf76bc7313b83c67819500fe1876c03662b847 SHA-256: 3ff65ad5017a2dca7fd9f578711a481ddb021335bf5b5f0597bb5e9387939c6c
186 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
  • 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.
  • 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://seumenha.ru/wix?keyword=of+mice+and+men+audiobook+chapter+2 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4460461/normal_600cc4261d322.pdfIn PDF document text
    • https://mamudige.weebly.com/uploads/1/3/0/8/130874639/wudosun-fubotajumobego-gawifojula-lewatev.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409393/normal_6020bc51ca54b.pdfIn PDF document text
    • https://pibigetikuke.weebly.com/uploads/1/3/5/3/135387636/dixopokaxixijuwi.pdfIn PDF document text
    • https://vuguzakinizole.weebly.com/uploads/1/3/4/4/134493236/wadagililotadu_lowadetum_nosupev_kifebugifeli.pdfIn PDF document text
    • https://jenetekeze.weebly.com/uploads/1/3/4/7/134772573/012d38ecca46b.pdfIn PDF document text
    • https://weranatowo.weebly.com/uploads/1/3/1/4/131408071/wepadojo-wokutafafus.pdfIn PDF document text
    • https://bemujegifa.weebly.com/uploads/1/3/5/3/135312506/4333101.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412895/normal_5fe1d8915947b.pdfIn PDF document text
    • https://lasuzolus.weebly.com/uploads/1/3/5/3/135315371/5738958.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453134/normal_5ff8a763a4d7b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4469359/normal_5fca700c6616d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zakusomob.rf.gd/ruxeninuponux.pdfIn PDF document text
    • http://kagezobu.epizy.com/washington_post_games_mahjongg_solitaire.pdfIn PDF document text
    • http://xewapumu.epizy.com/nalujazofamudesiluzovatop.pdfIn PDF document text
    • http://lopumupukerodu.epizy.com/zugikawobavugovaruj.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_off0000c442.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC442 5548 bytes
SHA-256: d0c26d83cfc709e6346e55cc35e73fb3916eed54402eb3aac032e88b722592f2
font_01_sfnt_off0000d6ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6EF 10844 bytes
SHA-256: e2bfc8b650eb23a0cae241dd43ed15198535135a40bbe52affced7c788c5616a

Open this report in the interactive analyzer, or submit your own file for analysis.