Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2a98c1f54b1b1a…

MALICIOUS

PDF

84.0 KB Created: 2022-04-23 07:41:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 08eaa98eb5497a6f804073b7cc250388 SHA-1: 53c912c50545bedac22e536fccda39a7ff521abe SHA-256: af2a98c1f54b1b1ab627701e29dcdfad7ad527dc6d008201f3e0bd9ba65faf47
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://sunuf.co.za/YmrXLWy8?keyword=how%20to%20tie%20off%20leather%20cord%20necklace PDF link annotation
    • https://etimes.mn/uploads/files/40308084352.pdfIn PDF document text
    • https://telliogluhukuk.com/userfiles/file/80738895021.pdfIn PDF document text
    • https://vufikodimaduxi.weebly.com/uploads/1/3/1/0/131070035/jawigepufiporir-jofekefopopun.pdfIn PDF document text
    • https://zivotzaokny.eu/res/file/jarubek.pdfIn PDF document text
    • https://roboxojepuz.weebly.com/uploads/1/3/4/2/134235986/da20a3f8a9e809.pdfIn PDF document text
    • https://mazanotofubemiz.weebly.com/uploads/1/3/2/6/132681192/juwes.pdfIn PDF document text
    • https://mutewibute.weebly.com/uploads/1/4/1/3/141343317/2850945.pdfIn PDF document text
    • https://lufigukinuma.weebly.com/uploads/1/3/2/6/132680864/750386.pdfIn PDF document text
    • http://www.tempshift.com/app/webroot/files/uploadimagesfile/65077261260.pdfIn PDF document text
    • https://zatitudebijozi.weebly.com/uploads/1/3/4/4/134460539/zanun.pdfIn PDF document text
    • https://zusonugen.weebly.com/uploads/1/3/5/3/135305237/dibibenivibijeper.pdfIn PDF document text
    • https://vuxisiso.weebly.com/uploads/1/3/5/3/135321279/2948920.pdfIn PDF document text
    • https://knurussian.kr/DATA/upload/files/202204061056542784.pdfIn PDF document text
    • https://sivojazexokir.weebly.com/uploads/1/3/4/5/134587079/kirusebofuxukefe.pdfIn PDF document text
    • https://rekifunesivi.weebly.com/uploads/1/3/4/4/134404589/bacd6663de4c.pdfIn PDF document text
    • https://gujutugixamu.weebly.com/uploads/1/4/1/3/141300031/721dd.pdfIn PDF document text
    • http://be-now.pl/userfiles/file/39383609834.pdfIn PDF document text
    • https://menerixejujup.weebly.com/uploads/1/3/4/6/134605313/bekiteler_nagej_rigepomul.pdfIn PDF document text
    • http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/vekijevinipajelijujoxa.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_off0000e088.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE088 18916 bytes
SHA-256: 7e9537d200e645adcce743536aad73bbeba2c64ba5501445a2c424938c87974e
font_01_sfnt_off000111d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x111D9 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000129f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x129F0 10572 bytes
SHA-256: 74508eda20f0c05f48e604650484051946adff4930e4c6cb1e9dd12c969c8a8c

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