Malicious PDF — malware analysis report

Static analysis result for SHA-256 78204738912c9c2a…

MALICIOUS

PDF

103.6 KB Created: 2022-04-02 01:35:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 939051886482dc58cca05861e43582ce SHA-1: 611b7f69fb55c6d80676f0aea81377522ab50dc9 SHA-256: 78204738912c9c2ac3e70b16c2c99148d66f03f33ac4affe7d9a246598ae8f5f
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://podar.co.za/YmrXLWy8?keyword=harry%20potter%20original%20book%20review PDF link annotation
    • https://www.gaiascience.com.my/assets/adminpanel/plugins/ckeditor/plugins/kcfinder/upload/files/33646954383.pdfIn PDF document text
    • http://bilmatbasim.com/userfiles/file/90981472510.pdfIn PDF document text
    • https://jivopulugoxixi.weebly.com/uploads/1/4/1/2/141218191/ed313ad9ade112.pdfIn PDF document text
    • http://jamalcar.com/userfiles/file/50297029214.pdfIn PDF document text
    • http://electrogalicia.com/electrogalicia/recursos/archivos/8769756434.pdfIn PDF document text
    • https://fopizute.weebly.com/uploads/1/3/4/3/134315067/davobaxov-nebalovuguz.pdfIn PDF document text
    • https://fezuwujazu.weebly.com/uploads/1/3/5/3/135347069/tujelarubaxikiw.pdfIn PDF document text
    • https://tetuxexe.weebly.com/uploads/1/3/1/8/131871535/8d9bc.pdfIn PDF document text
    • https://dawoxojukuput.weebly.com/uploads/1/3/4/8/134890950/zopuri-zufop.pdfIn PDF document text
    • https://gawowulovo.weebly.com/uploads/1/3/5/9/135966180/xenisazin.pdfIn PDF document text
    • https://kalyna.ua/sites/default/files/userfiles/file/28201348167.pdfIn PDF document text
    • https://www.adira.co.id/assets/kcfinder/upload/files/94301653687.pdfIn PDF document text
    • http://nepallooms.com/imagenes/file/90700817941.pdfIn PDF document text
    • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/16201a85aaaf7b---xoxibuzurepi.pdfIn PDF document text
    • http://www.mamafoundation.cz/ckfinder/userfiles/files/79821222816.pdfIn PDF document text
    • http://admin.accf-asean-china.com/assets/grocery_crud/texteditor/kcfinder/upload/images/files/mifoke.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000133e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x133E0 10748 bytes
SHA-256: 946276021e7ae997bb88ae4fc0d21aca04e036f02db52233bed600d6578025d7
font_01_sfnt_off00014c7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14C7F 17032 bytes
SHA-256: 09912c21bcee4831af6b941cc79a1c83f919cea5c751a44f53cabe697c3e4865
font_02_sfnt_off00017897.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17897 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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