Malicious PDF — malware analysis report

Static analysis result for SHA-256 793ac0ebb8b28d0d…

MALICIOUS

PDF

88.6 KB Created: 2022-05-01 11:49:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 04621f4d7e50c3c222033bf21489299d SHA-1: c0d5f6949ac98e8a45f0691d2004e7b4d43bfe13 SHA-256: 793ac0ebb8b28d0dd5cffcf2ffe7c7264856b9038042e1e84b351ec098f9e61c
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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://mifuj.co.za/YmrXLWy8?keyword=all%20the%20birds%20in%20the%20sky%20pdf PDF link annotation
    • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623c3deabcd1b---bonunuwubepijawo.pdfIn PDF document text
    • https://kifedipe.weebly.com/uploads/1/4/1/5/141530160/muvaluduvitiwew.pdfIn PDF document text
    • https://mixifomako.weebly.com/uploads/1/3/1/1/131164472/mugasuwis-kasowowo-munutakowefime-jozodavow.pdfIn PDF document text
    • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161f9a324d2301---16990526627.pdfIn PDF document text
    • https://pepsima.biz/files/file/86891719563.pdfIn PDF document text
    • https://investin-khj.ir/ckfinder/userfiles/files/tevejukexewix.pdfIn PDF document text
    • https://berapozi.weebly.com/uploads/1/3/0/7/130776213/738384.pdfIn PDF document text
    • http://marathon-gexin.com/Uploadfiles/files/59590761758.pdfIn PDF document text
    • https://surigogalabilix.weebly.com/uploads/1/3/5/9/135961506/2806153.pdfIn PDF document text
    • https://viwefinorix.weebly.com/uploads/1/3/0/8/130813514/839778b34a.pdfIn PDF document text
    • http://keyflounge.nl/userfiles/file/ligapevixabuf.pdfIn PDF document text
    • https://pojoluxoxub.weebly.com/uploads/1/4/1/4/141421730/salapa.pdfIn PDF document text
    • https://lujukote.weebly.com/uploads/1/3/2/7/132712447/0c73f4.pdfIn PDF document text
    • https://kesafoxubifode.weebly.com/uploads/1/3/4/4/134481064/jumuro.pdfIn PDF document text
    • https://lalevajapogos.weebly.com/uploads/1/3/0/8/130874146/aee2241b94e2.pdfIn PDF document text
    • https://mopuzivukoman.weebly.com/uploads/1/3/4/1/134108623/2e9e28f6c35e.pdfIn PDF document text
    • http://stellarp.com/userfiles/file/rimopozajogozokiworat.pdfIn PDF document text
    • http://www.extramas.com/userfiles/files/74951583822.pdfIn PDF document text
    • https://gira-rozetki.su/kcfinder/upload/files/17987710388.pdfIn PDF document text
    • http://www.deco-interieure.com/userfiles/file/bafegufu.pdfIn PDF document text
    • http://beta-rc.com/upload/files/logitinazakujiwoxoka.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_off0000f6f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6F3 10640 bytes
SHA-256: 8a965318017fe8b1fab45ef036b87d3d20ad0ccbb510fe5d4ded3b5fdfc0fd29
font_01_sfnt_off00010f01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F01 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00012713.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12713 17916 bytes
SHA-256: 77a716a1ef0422bc89fd0ece30582db2a85ba149015076b6a5d91c8ff1faa2ad

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