Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2b3480188cbdc5…

MALICIOUS

PDF

73.3 KB Created: 2022-05-05 11:44:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 3d9a2afdd3a157350977d71653416b60 SHA-1: 9a50d732268b187da08fe5c1a00bee7cb017e6bc SHA-256: af2b3480188cbdc573fbce2acf3c9691d6c51d50643e0aea306ad93df14d5b7a
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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://yubit.co.za/YmrXLWy8?keyword=il%20perfetto%20greco%20pdf%20online%20download%20mp4%20gratis PDF link annotation
    • https://benqmusicworkshop.com/fupload/file/gumabaxagifigozexi.pdfIn PDF document text
    • https://ripujiragepago.weebly.com/uploads/1/3/4/0/134012555/kevuf-tejasifibikub-newefux-mewopure.pdfIn PDF document text
    • http://dayou.tw/uploadpic/files/202204292249229589.pdfIn PDF document text
    • https://biripujoj.weebly.com/uploads/1/3/5/3/135338152/jasow.pdfIn PDF document text
    • https://wipagadodagavu.weebly.com/uploads/1/3/7/5/137519723/2f87e3357.pdfIn PDF document text
    • https://zomutelisofo.weebly.com/uploads/1/3/4/7/134712892/sufox.pdfIn PDF document text
    • https://guxojifupu.weebly.com/uploads/1/3/1/4/131438233/ruserisap.pdfIn PDF document text
    • https://selonifuxiko.weebly.com/uploads/1/4/1/3/141399737/1ca57.pdfIn PDF document text
    • https://dovizitozul.weebly.com/uploads/1/3/1/4/131408131/fanatubimipuwum.pdfIn PDF document text
    • https://laxomubidaxudov.weebly.com/uploads/1/3/4/4/134475580/birudiner-rabaxewefumafus.pdfIn PDF document text
    • https://wevukizolizeki.weebly.com/uploads/1/3/1/6/131606758/f976cc.pdfIn PDF document text
    • https://putijixata.weebly.com/uploads/1/4/1/2/141253269/xigozot.pdfIn PDF document text
    • https://lepinacle.hk/editor_upload/file/xonux.pdfIn PDF document text
    • https://karoxenerom.weebly.com/uploads/1/3/0/7/130739074/7028068.pdfIn PDF document text
    • https://nuvipepive.weebly.com/uploads/1/3/1/4/131409498/9135384.pdfIn PDF document text
    • https://junezafebu.weebly.com/uploads/1/3/0/8/130874287/nokeliwikiboju.pdfIn PDF document text
    • https://binarbaid.com/public_html/userfiles/file/sefewefutitijikesi.pdfIn PDF document text
    • http://ahkjt.com/upfile/file/lulazikixovozumemi.pdfIn PDF document text
    • https://xizevidunofi.weebly.com/uploads/1/3/4/3/134321119/takawidate.pdfIn PDF document text
    • https://robesiladobaluj.weebly.com/uploads/1/3/0/8/130813577/zanumasijuxoguj.pdfIn PDF document text
    • https://panujiwawavila.weebly.com/uploads/1/3/4/4/134457592/nijemagixipit_mikekusariwep.pdfIn PDF document text
    • https://jamibada.weebly.com/uploads/1/3/1/1/131164428/fagazedu.pdfIn PDF document text
    • https://vobokalonumenu.weebly.com/uploads/1/3/4/6/134656332/pizibipazid.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_off0000ba1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBA1F 11080 bytes
SHA-256: 676429d8484674ebb99bb8b557112c3b4e37952ee5eb0d9668faca5177d47c3f
font_01_sfnt_off0000d3d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3D4 17196 bytes
SHA-256: c2c2301688a6dca460288b1146c379f17c54edc91e6b6c3d9bbf5b97613748bf
font_02_sfnt_off0000ff36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF36 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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