Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6cec160fe8c163…

MALICIOUS

PDF

81.6 KB Created: 2022-04-06 01:39:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 1986489a035bf6ba46d58d3f49538c77 SHA-1: 8a984b81bf8be2f2a3dfce869c524270ff5c8ef5 SHA-256: 2b6cec160fe8c1636e92889ab67e95fe7088ad6bc657343a906a06c1124e31b0
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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=how%20to%20identify%20black%20walnut%20in%20winter PDF link annotation
    • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16226eeefeae68---46727915719.pdfIn PDF document text
    • https://demircanticaret.com/userfiles/file/26702498309.pdfIn PDF document text
    • https://vatlieuchongnong.baohohoanglong.com/userfiles/file/lilusededutitipivewop.pdfIn PDF document text
    • https://poolpoint.be/uploads/file/87883048366.pdfIn PDF document text
    • http://naturptica.ru/upload/files/13677802765.pdfIn PDF document text
    • https://timurikamaz.weebly.com/uploads/1/3/1/4/131406182/9c031422cd4.pdfIn PDF document text
    • http://dafangtour.com/fckeditor/userimages/file/xurusebepuwevej.pdfIn PDF document text
    • http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/34925968825.pdfIn PDF document text
    • https://busozovamifolak.weebly.com/uploads/1/3/4/2/134235369/rakafaretenexunoso.pdfIn PDF document text
    • https://setanalad.weebly.com/uploads/1/3/0/7/130775470/7373397.pdfIn PDF document text
    • https://tufutimijota.weebly.com/uploads/1/3/4/3/134350929/954671.pdfIn PDF document text
    • https://nodeseverew.weebly.com/uploads/1/3/5/3/135323512/4491663.pdfIn PDF document text
    • http://ride.hu/images/uploads/files/tiritemitozukaguzi.pdfIn PDF document text
    • https://xozilawowoxov.weebly.com/uploads/1/3/4/7/134704750/vedugipevubar.pdfIn PDF document text
    • http://jar-ted.pl/file/matinewux.pdfIn PDF document text
    • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16211a4e969151---suxiseravovupugeba.pdfIn PDF document text
    • https://gatilesajegume.weebly.com/uploads/1/3/1/0/131070678/9477534.pdfIn PDF document text
    • https://vizejuvevu.weebly.com/uploads/1/3/2/6/132681979/2fd4a4d748a.pdfIn PDF document text
    • https://melozepopi.weebly.com/uploads/1/3/0/7/130775643/2232412.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_off0000da90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA90 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f2a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2A2 16756 bytes
SHA-256: 5e120a60a42bd9c69c8c073f34376b7ac28a6e9f7f0789a45b72b3133648330d
font_02_sfnt_off00011e7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E7B 10824 bytes
SHA-256: a5928e87d2aa2bdc92dc957f3f3623d41a0ccf11a9c3295f66ceb75838997ba5

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