Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbe08b25d2f3e5db…

MALICIOUS

PDF

98.7 KB Created: 2022-05-14 09:55:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-24
MD5: a2e74483379f749bb60fdc37fd12b24f SHA-1: 669b1731163454777553247c944f0a30009a0fc4 SHA-256: cbe08b25d2f3e5db25b2d198df0ecd0ee60f178a65fc09246ca7cabb0e42b442
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://home18.ru/wp-content/plugins/super-forms/uploads/php/files/81faab3488081cac34ba031c6fa0bbfd/31659503910.pdf In PDF document text
    • http://roycraft.ca/userfiles/file/nugebevelibonofezu.pdfIn PDF document text
    • https://gavuwexis.weebly.com/uploads/1/3/4/7/134772394/jerezu.pdfIn PDF document text
    • http://yeosingol.com/FileData/ckfinder/files/20220417_7989A049CA26443C.pdfIn PDF document text
    • https://xaxunuvupewiro.weebly.com/uploads/1/3/3/9/133997201/697e334c.pdfIn PDF document text
    • https://vekukedabil.weebly.com/uploads/1/3/4/7/134710008/2378830.pdfIn PDF document text
    • https://sadozilodefizon.weebly.com/uploads/1/3/4/6/134659806/rewamize-fosujegolaj-bikosanedu-jekamevomakegu.pdfIn PDF document text
    • https://tefakunuti.weebly.com/uploads/1/3/1/8/131871494/455fea92e.pdfIn PDF document text
    • https://lum.windscrm.net/files/file/39356948313.pdfIn PDF document text
    • https://vexokisu.weebly.com/uploads/1/3/4/7/134717498/3493917.pdfIn PDF document text
    • https://xidusogosogi.weebly.com/uploads/1/3/4/3/134313600/borarinix.pdfIn PDF document text
    • http://www.tomasjelinek.com/img/pub/file/tidililirenax.pdfIn PDF document text
    • https://golobixapisiz.weebly.com/uploads/1/3/4/6/134653183/5778c6760cc422e.pdfIn PDF document text
    • https://buddhaart.in/userfiles/file/64716706350.pdfIn PDF document text
    • http://metafelix.it/userfiles/files/97220631026.pdfIn PDF document text
    • http://gamenavigator.com/userfiles/files/99653763677.pdfIn PDF document text
    • https://finejorokisitoj.weebly.com/uploads/1/3/4/4/134495390/5036662.pdfIn PDF document text
    • https://tatudikugox.weebly.com/uploads/1/3/4/7/134738012/55743089794216.pdfIn PDF document text
    • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622d367a9770b---lotodixebigalow.pdfIn PDF document text
    • https://colod.co.za/YmrXLWy8?keyword=mhw%20charge%20blade%20guide%20xbox%20360%20for%20sale%20ebay%20salePDF link annotation
    • 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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0000fdb1.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000fdb1.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fdb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDB1 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000115c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115C8 11548 bytes
SHA-256: e11b598d143fc16fa7ddd03e6e40b8128d345a76b2671757cb15529ed2a1c0f5
font_02_sfnt_off00013128.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13128 1748 bytes
SHA-256: 7e5e5649f7129bf39f51cd4bc28f1ada28e82ad77502331724d3cee82a229e2d
font_03_sfnt_off00013979.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13979 17032 bytes
SHA-256: a2a14f2a584125b597ca1624b0201fdbdf658bc50c9ae7d02d983173108caaf4
font_04_sfnt_off0001661e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1661E 16092 bytes
SHA-256: 9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd

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