Malicious PDF — malware analysis report

Static analysis result for SHA-256 425736bcd52de836…

MALICIOUS

PDF

96.5 KB Created: 2022-04-05 10:09:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: a3a2482220fae292fba4ebbf01ccade2 SHA-1: 6bc70405af913577decaa3c44b1a4f5601cb11f8 SHA-256: 425736bcd52de836ac38ec30d70bd6845e3ccc2f9bd37b73c8bae143d86cebb0
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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://tevav.co.za/YmrXLWy8?keyword=hewlett%20packard%20laserjet%204050%20toner%20cartridge PDF link annotation
    • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/162270ffdc688e---93021816763.pdfIn PDF document text
    • http://neza.cz/UserFiles/File/20476417846.pdfIn PDF document text
    • https://paxobafu.weebly.com/uploads/1/3/4/6/134697986/4623944.pdfIn PDF document text
    • https://farnost.nivnice.cz/files/file/44850548174.pdfIn PDF document text
    • https://dakudejidefiwos.weebly.com/uploads/1/3/4/7/134762364/3998160.pdfIn PDF document text
    • https://sapuvitajesi.weebly.com/uploads/1/3/0/7/130776539/kejevagipobexopomoz.pdfIn PDF document text
    • https://schneider-rozetki.su/kcfinder/upload/files/47506047528.pdfIn PDF document text
    • https://suguvojonejufo.weebly.com/uploads/1/3/4/5/134585364/pemin_kowiforogida_gewomuva_lulepunilot.pdfIn PDF document text
    • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/ea4fe4cb42ddb8fc7009c79bb333b547/93344701515.pdfIn PDF document text
    • https://bopevifobomamak.weebly.com/uploads/1/3/0/8/130814579/vixotaxudapag.pdfIn PDF document text
    • https://waxipirugetaweg.weebly.com/uploads/1/3/7/5/137508402/0b52575.pdfIn PDF document text
    • https://tovepeluzon.weebly.com/uploads/1/3/4/3/134385389/940860.pdfIn PDF document text
    • http://mfcpavpos.ru/file/luzosukuwemirowisowi.pdfIn PDF document text
    • https://buvijomos.weebly.com/uploads/1/4/1/2/141258505/wuvetad_velugomutivifub_bugubi_xitazowetara.pdfIn PDF document text
    • https://zofisafewo.weebly.com/uploads/1/3/4/5/134508124/5556667.pdfIn PDF document text
    • https://pexipepokebi.weebly.com/uploads/1/3/4/6/134627497/624d8ec13013.pdfIn PDF document text
    • http://konemara.hu/userfiles/file/8488332989.pdfIn PDF document text
    • https://luwuberukad.weebly.com/uploads/1/3/1/4/131409546/89fdf.pdfIn PDF document text
    • https://oreopay57.com/ckfinder/userfiles/files/revalekibokodot.pdfIn PDF document text
    • http://silverk.ru/img/lib/file/24272809728.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_off0001130e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1130E 17556 bytes
SHA-256: bb0da77a05a59a4a3762a8e32cd9e25bda7254b4a9677b4cc3768801ab18b7ad
font_01_sfnt_off00014174.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14174 11324 bytes
SHA-256: 5a87a93ed3d4eabe751ad1c9a366f47faaac870d23ff60400d3de9cd8cf20888
font_02_sfnt_off00015c16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15C16 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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