Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5dc564c5ca17c14…

MALICIOUS

PDF

107.2 KB Created: 2022-05-01 17:47:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 52afbc72601bbf2f7744e7551e5e581e SHA-1: 604bbfc2a992436d07711b45569b92389cb56e69 SHA-256: c5dc564c5ca17c147d47be002f312bd32deb86f15deb963643342a2b7c845901
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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=why%20is%20research%20important%20in%20psychology PDF link annotation
    • https://bizexolarosazar.weebly.com/uploads/1/3/4/8/134882522/54e5f3ee4713e5.pdfIn PDF document text
    • http://dr-temt.ru/images/file/19863526348.pdfIn PDF document text
    • https://xupufofi.weebly.com/uploads/1/3/4/7/134766196/jutuzopuwi.pdfIn PDF document text
    • https://ooo-kenk.ru/userfiles/file/fewewepixi.pdfIn PDF document text
    • https://fuvepuzineg.weebly.com/uploads/1/3/4/4/134463404/xitebar.pdfIn PDF document text
    • https://wutusexiradolo.weebly.com/uploads/1/3/0/9/130969471/titimaxe.pdfIn PDF document text
    • https://zotorakiv.weebly.com/uploads/1/3/0/7/130739478/3ab8047.pdfIn PDF document text
    • https://www.rougeindigo.com/ckfinder/userfiles/files/zumesujibidozewikotunusoz.pdfIn PDF document text
    • https://gaginavo.weebly.com/uploads/1/3/7/5/137517333/9815971.pdfIn PDF document text
    • https://tifelekaguli.weebly.com/uploads/1/3/4/7/134744440/nutilelo.pdfIn PDF document text
    • https://taferirufip.weebly.com/uploads/1/3/4/5/134582969/8b6a33678289.pdfIn PDF document text
    • https://tonthephunglan.vn/upload/files/47966818632.pdfIn PDF document text
    • https://lotevufof.weebly.com/uploads/1/4/1/2/141259073/bopelaxekorul.pdfIn PDF document text
    • https://tadesurirow.weebly.com/uploads/1/3/2/7/132711952/pawim.pdfIn PDF document text
    • https://mavobomuwatu.weebly.com/uploads/1/3/4/5/134592479/mawedivivi.pdfIn PDF document text
    • https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/vaguladekisaf.pdfIn PDF document text
    • https://wefafidopomaxet.weebly.com/uploads/1/4/1/5/141524100/d52307e189b26.pdfIn PDF document text
    • https://dilozerekake.weebly.com/uploads/1/3/1/4/131452754/f93bce6e0bbd2.pdfIn PDF document text
    • https://bawezunebamuxot.weebly.com/uploads/1/4/1/3/141304439/nekoz.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_off00013dd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13DD9 10928 bytes
SHA-256: 6996b1391849b7e67e1a349666570ecd1049ca1696d7ad9b76ba5ce82f50c61c
font_01_sfnt_off00015705.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15705 18312 bytes
SHA-256: 591e82ffd2e0cf2cca3dece8b24cc8ec15c2f2aab489b0126ccae16c6eb1b797
font_02_sfnt_off0001871b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1871B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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