Malicious PDF — malware analysis report

Static analysis result for SHA-256 10b90461c63bdfc0…

MALICIOUS

PDF

69.9 KB Created: 2021-02-24 23:00:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 54214ceddd9e5036116ddc3fd24e9cf3 SHA-1: 746a3ada34cb3f348e511827369668f749626636 SHA-256: 10b90461c63bdfc0e9b6575aaa76acdabdfb46ddcd7e88b94ac07d50996c6bf2
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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=manual+pastry+roller+machine PDF link annotation
    • https://cdn.sqhk.co/lukupupiba/Xihiahg/71102886763.pdfIn PDF document text
    • http://bellissimo.online/gilomuxatubevakitakeguxuhk80s.pdfIn PDF document text
    • https://cdn.sqhk.co/kukabelek/ehdjdhi/highwayman_lyrics_johnny_cash.pdfIn PDF document text
    • https://cdn.sqhk.co/webuzifinuno/8xid9Us/41806256967.pdfIn PDF document text
    • https://fenutirixe.weebly.com/uploads/1/3/4/6/134640366/nujidoxevapig-suzitexoxor-nosewekatosov-vemalumal.pdfIn PDF document text
    • https://cdn.sqhk.co/xubupigegi/idhdChh/road_rage_epic_shooting_dallas.pdfIn PDF document text
    • https://zogugixuwomu.weebly.com/uploads/1/3/4/2/134234599/kegutawekopoz.pdfIn PDF document text
    • https://cdn.sqhk.co/jeforije/Tjbjbhb/police_officer_job_requirements_wisconsin.pdfIn PDF document text
    • https://nakotugobal.weebly.com/uploads/1/3/5/3/135300729/gabuvujalikax-suxabo-vekit-jaliw.pdfIn PDF document text
    • http://seamanygau.best/moto_z2_360_camera_mod8gpvd.pdfIn PDF document text
    • https://cdn.sqhk.co/xanuramalu/dbHhaTA/medewigugolemubenuzesifod.pdfIn PDF document text
    • https://cdn.sqhk.co/gulanuwe/7ibiiAc/fitabadebegizafovadutur.pdfIn PDF document text
    • https://cdn.sqhk.co/lojibuwe/G4igSbd/23289922052.pdfIn PDF document text
    • https://butemupow.weebly.com/uploads/1/3/5/3/135338881/3a75611.pdfIn PDF document text
    • https://sabigakubotel.weebly.com/uploads/1/3/2/7/132740275/weniforetu.pdfIn PDF document text
    • https://cdn.sqhk.co/jesotipo/Ygdjcgi/phoenix_zoo_membership_extension.pdfIn PDF document text
    • http://itali-big.space/como_hacer_un_archivo_en_word_2007ekk7g.pdfIn PDF document text
    • https://cdn.sqhk.co/fiwojosop/hdhgUgh/pogogadowirago.pdfIn PDF document text
    • https://cdn.sqhk.co/risejesob/gfRFQu1/sushant_singh_rajput_movies_songs_video.pdfIn PDF document text
    • http://souve.me/31297728648dj8b1.pdfIn PDF document text
    • https://cdn.sqhk.co/letijefa/hjN5gjj/kugetiluramumajapowe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000d4ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD4FF 5280 bytes
SHA-256: 9be6fc98bba6fec3a024029e5e2019bbd2f915ed0c4c8893f898e1d794db7781
font_01_sfnt_off0000e6d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6D9 10264 bytes
SHA-256: e59e13f1d4a3ff9d1b2ec9d5bd85105a995cdd4f93d7018ef265f8cf573a3043

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