Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d9c101c63fd22f…

MALICIOUS

PDF

80.1 KB Created: 2022-03-30 11:40:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 67189140d0cb741883077a21f45f1ac7 SHA-1: c12b74a469e14427ee4014aa7c3f175cc4953e07 SHA-256: c5d9c101c63fd22f0677db461bd4a55542e8d40ccef5807a9526cef5deeca8f0
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • 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 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://yoyep.co.za/YmrXLWy8?keyword=how%20much%20is%20ibm%20data%20science%20professional%20certificate%20cost PDF link annotation
    • https://natomujan.weebly.com/uploads/1/4/1/2/141218151/medujed.pdfIn PDF document text
    • https://reitinguok.lt/userfiles/file/51757838461.pdfIn PDF document text
    • https://reytrans.es/kcfinder/upload/files/wibalupufov.pdfIn PDF document text
    • https://baxolelal.weebly.com/uploads/1/3/4/6/134625426/rofebozasibig.pdfIn PDF document text
    • https://aravalivssamiti.org/admin/assets/ckeditor/kcfinder/upload/files/63902313855.pdfIn PDF document text
    • https://ibbfvhn.org/recursos/kcfinder/upload/files/2352411899.pdfIn PDF document text
    • http://oroblupiscine.it/userfiles/files/nekojugadegase.pdfIn PDF document text
    • https://zufuxanibagi.weebly.com/uploads/1/3/4/5/134586570/c3f680e65760.pdfIn PDF document text
    • https://malinaionescu.ro/userfiles/file/38379319853.pdfIn PDF document text
    • https://sarofufi.weebly.com/uploads/1/3/0/8/130813030/bunedulemum.pdfIn PDF document text
    • https://molesomux.weebly.com/uploads/1/3/2/6/132681378/6649776.pdfIn PDF document text
    • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/dowilinilitela.pdfIn PDF document text
    • http://vlaevski.com/admin/kcfinder/upload/files/77791607555.pdfIn PDF document text
    • https://loyq.ru/admin/upload/photos/library/files/nopabebobowuzupatamop_1645390629.pdfIn PDF document text
    • https://zekisotirateme.weebly.com/uploads/1/3/4/3/134368555/zumogiluzavefevem.pdfIn PDF document text
    • https://jajaleregonu.weebly.com/uploads/1/3/4/2/134235513/zimitevagikefejiga.pdfIn PDF document text
    • http://www.chatanakonci.cz/userfiles/file/potuxorisetuvekuzuxofopu.pdfIn PDF document text
    • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621772da8a7a4---22840956262.pdfIn PDF document text
    • http://africamusicindex.com/images/files/bajubivexule.pdfIn PDF document text
    • https://gojolukok.weebly.com/uploads/1/3/4/4/134455450/pofofezozepod-fowonadi-wedogunevisido-fulofisuvipose.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_off0000d414.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD414 17252 bytes
SHA-256: dc868741091e6e4b76fee2f57d038da60cb0f4e936c63eae2d86f1ea8d1a5597
font_01_sfnt_off00010102.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10102 11200 bytes
SHA-256: de863c621e8902feca302ee8d07c3fe42ab869c0320b3a8ee7af1c8a29fd4ada
font_02_sfnt_off00011ad6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11AD6 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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