Malicious PDF — malware analysis report

Static analysis result for SHA-256 11b753d95533cd0f…

MALICIOUS

PDF

70.8 KB Created: 2021-02-26 11:42:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: a2b7e4b9a5f9428763d4e33cd47f0d7c SHA-1: 182a7509f7849640a7d08deb4d2314e117090967 SHA-256: 11b753d95533cd0f1f04b4b6e261cfca69549cc982aee50d19f9fc408495da95
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://soxebez.ru/wix?keyword=grandma+flexington+raid+all+answers PDF link annotation
    • http://organize.shop/daxuxi04rew.pdfIn PDF document text
    • http://twenty-promo2020.ru/facebook_play_store2tddu.pdfIn PDF document text
    • http://instgramcopyrightdispute.com/where_to_buy_go_boarddw12h.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421341/normal_5fd714dd68abf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481406/normal_5fdf31d58f08c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420760/normal_602f5feeba6fe.pdfIn PDF document text
    • http://easycreditscore.info/xipipalugaguxaxakewiwe6dfo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383923/normal_601e1ae9490fc.pdfIn PDF document text
    • http://likedizar.medianewsonline.com/teredegelefemuxololirig.pdfIn PDF document text
    • http://lami-lashes.site/sudilukoxm1l5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477400/normal_602908fc82765.pdfIn PDF document text
    • http://auto-agents.space/90903469126se4nm.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://rajamuviw.epizy.com/13115515540.pdfIn PDF document text
    • http://lijazujarakowom.epizy.com/39924963781.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c9f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC9F3 5208 bytes
SHA-256: af28029cc7dfe2b705cf8d1b5b6e8d86175deb77565499cecb22912529ba09af
font_01_sfnt_off0000dbaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBAA 10536 bytes
SHA-256: 5d38fb788fc75832bbb18c4227a59daf5bed7ded2cf587ce6e4bcaacec53ad7b
font_02_sfnt_off0000ffbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFBE 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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