Malicious PDF — malware analysis report

Static analysis result for SHA-256 80292b0a62a1a5fb…

MALICIOUS

PDF

71.3 KB Created: 2021-02-18 21:56:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 7abb2056a723b0df0f667ffd771954e0 SHA-1: db2239c31e5f477e44fb719248bbc8f3d915a7e0 SHA-256: 80292b0a62a1a5fb9f0a415ffd550cd9aa181e6d4fcfa9702b9aeefa4712cdce
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://jottigo.ru/wix?keyword=applied+kinesiology+book+pdf PDF link annotation
    • https://cdn.sqhk.co/kitujesijak/dygeiFF/73441240151.pdfIn PDF document text
    • http://tigimurudel.22web.org/30213479429.pdfIn PDF document text
    • http://momentshop.website/atkins_physical_chemistry_9th_edition4c4dd.pdfIn PDF document text
    • https://cdn.sqhk.co/gizivapejoko/3tBicGo/81068987102.pdfIn PDF document text
    • http://oneitshop.info/the_art_of_war_2000_full_movie_putlockerswzd8w.pdfIn PDF document text
    • https://cdn.sqhk.co/dilizilozok/ibghZOI/68392853513.pdfIn PDF document text
    • https://cdn.sqhk.co/nepusoliweda/hhgdhie/beginner_ballet_near_me.pdfIn PDF document text
    • https://jotitotibewava.weebly.com/uploads/1/3/1/3/131383271/vogegonevoxi.pdfIn PDF document text
    • https://cdn.sqhk.co/vikafaselida/jcrjfib/liriwiwabokesosojarik.pdfIn PDF document text
    • https://vedewoxid.weebly.com/uploads/1/3/0/7/130738666/zazarejufivij_dalavugiv.pdfIn PDF document text
    • http://adv-workshop.site/51889966008t4anu.pdfIn PDF document text
    • https://cdn.sqhk.co/jigavozef/8m2fxh1/9_months_before_september_9_2005.pdfIn PDF document text
    • http://hugertely.xyz/dukojidizumalumuxinokawuz0ykg.pdfIn PDF document text
    • https://cdn.sqhk.co/dojoxuwote/zjahagY/idle_gun_3d_mod.pdfIn PDF document text
    • https://petabururumeje.weebly.com/uploads/1/3/4/9/134902787/fcad8.pdfIn PDF document text
    • https://cdn.sqhk.co/rinugezig/f7heHgg/betotasap.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sadedegigagivaw.rf.gd/bahubali_2_tamil_padam.pdfIn PDF document text
    • https://s3.amazonaws.com/gogonof/51914498533.pdfIn PDF document text
    • http://tunowik.epizy.com/sunubumuk.pdfIn PDF document text
    • https://s3.amazonaws.com/tesodagiwor/accounting_words_in_gujarati.pdfIn PDF document text
    • https://s3.amazonaws.com/gozilum/17222124770.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_off0000dae1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAE1 5196 bytes
SHA-256: 08f0b8487f88c4fd834c7e8d0cb67010db03755587e498c5a45330fd16c525da
font_01_sfnt_off0000ecb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECB2 10280 bytes
SHA-256: 6311a9e64cbfd0aea0b70df0a300479855a23b2fe96a4d68183c3ea2a2b01c29

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