Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8df29a51df95e2…

MALICIOUS

PDF

77.1 KB Created: 2022-03-26 02:37:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 8d72077e453ede3500cfa2bfcd527077 SHA-1: 6e9c64b5130dfbfba8f8750430cdb8c101bd8b6c SHA-256: aa8df29a51df95e2091940aeb41d9dba811ea354c72125fa63786e28577f72cb
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://wirut.co.za/YmrXLWy8?keyword=focusrite%20scarlett%202i2%20driver%20free%20download%20for%20windows%2010 PDF link annotation
    • https://zefilezagomi.weebly.com/uploads/1/3/4/4/134474677/4073718.pdfIn PDF document text
    • https://duwiwobejul.weebly.com/uploads/1/3/2/7/132740292/jamanames_nozuxabab.pdfIn PDF document text
    • https://sipusojatavajuw.weebly.com/uploads/1/3/4/6/134606658/6746473.pdfIn PDF document text
    • https://fupexojor.weebly.com/uploads/1/3/4/0/134017307/zidufititup.pdfIn PDF document text
    • https://zakazorexan.weebly.com/uploads/1/3/1/4/131407051/8596548.pdfIn PDF document text
    • https://lewebivaduxug.weebly.com/uploads/1/3/5/3/135392118/f871a0.pdfIn PDF document text
    • https://pagapepekajarop.weebly.com/uploads/1/3/4/3/134307963/butigofowinikoxovi.pdfIn PDF document text
    • https://fufirixosidewo.weebly.com/uploads/1/3/4/8/134868093/6178059.pdfIn PDF document text
    • https://suripukizoj.weebly.com/uploads/1/3/6/0/136089511/8138595.pdfIn PDF document text
    • https://fuvogazukipow.weebly.com/uploads/1/3/4/6/134603691/zerotaduj.pdfIn PDF document text
    • https://demufejaxesogop.weebly.com/uploads/1/3/4/5/134588496/zaraxawaselufix_vuxujarama.pdfIn PDF document text
    • https://vapevaka.weebly.com/uploads/1/3/1/4/131407737/xadunobete_zurazabi_banilawatilonaj_vegewomakolo.pdfIn PDF document text
    • https://zemedefikejo.weebly.com/uploads/1/3/4/0/134040876/b7ff60c83.pdfIn PDF document text
    • https://jixikasipad.weebly.com/uploads/1/3/4/5/134596843/56028224f1ad5fc.pdfIn PDF document text
    • https://momosedudufapi.weebly.com/uploads/1/3/4/6/134622660/dozaxudenon.pdfIn PDF document text
    • https://belawutuvuzepim.weebly.com/uploads/1/3/4/6/134605506/4ec98f9dd88.pdfIn PDF document text
    • https://vujanakisa.weebly.com/uploads/1/3/4/4/134401771/04e326f32ca6.pdfIn PDF document text
    • https://wedodoto.weebly.com/uploads/1/3/5/9/135993452/b691e841795c.pdfIn PDF document text
    • https://pefizisiguxuv.weebly.com/uploads/1/3/1/4/131438819/rikor.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_off0000c716.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC716 10992 bytes
SHA-256: 98e048be5f704319c16a58ba69632489fabfb0c8769cf4796ac5b6288f903ab9
font_01_sfnt_off0000e0e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0E9 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0000f788.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF788 16824 bytes
SHA-256: 6edf28c730c05bc2b097247f29929e608ac03d68ea4e734eb14d83914aca8039

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