Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b63b56d6c778f21…

MALICIOUS

PDF

65.3 KB Created: 2022-04-09 01:46:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 7ec475b5f1ad44b894bac58e3bf7606a SHA-1: b2a8a14ebd115469da46964c32511ea2b9b1e22d SHA-256: 2b63b56d6c778f21d95529a6d643dbcf0ebc215d72b5574dea494bda09d8483f
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://tevav.co.za/YmrXLWy8?keyword=alpine%20ktp-445%20manual PDF link annotation
    • https://kowedeta.weebly.com/uploads/1/3/0/7/130775164/5fd501.pdfIn PDF document text
    • http://cnigood.com/d/files/fazibavezano.pdfIn PDF document text
    • https://sanakifagijegu.weebly.com/uploads/1/3/4/4/134404207/ninug.pdfIn PDF document text
    • https://jibunomo.weebly.com/uploads/1/3/5/3/135348462/1125163.pdfIn PDF document text
    • http://designklasse.de/ckfinder/userfiles/files/26944378445.pdfIn PDF document text
    • http://gira-classix.su/kcfinder/upload/files/nipozetagofafivikivejuwo.pdfIn PDF document text
    • https://delitulasuv.weebly.com/uploads/1/3/0/7/130775658/gevexifavopameluka.pdfIn PDF document text
    • http://rapet.hu/files/vuven.pdfIn PDF document text
    • https://springfordfarm.com/sites/default/files/uploads/file/bagafakafeneramagofet.pdfIn PDF document text
    • https://guzarederojem.weebly.com/uploads/1/3/4/3/134392385/memodojimaxabitopa.pdfIn PDF document text
    • https://fizijoju.weebly.com/uploads/1/3/0/8/130814030/gebetofokazubav_mowumelo_lokupipe.pdfIn PDF document text
    • https://pchome.uzai.ca/upload/files/78393624498.pdfIn PDF document text
    • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620eb51c971c3---kedoxuvutimijarivugaboj.pdfIn PDF document text
    • https://giwojagamepebew.weebly.com/uploads/1/3/4/8/134881383/dexegofotemewof-fufakomuvapab.pdfIn PDF document text
    • http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/linoguvixoludukol.pdfIn PDF document text
    • https://kenafowipadile.weebly.com/uploads/1/3/1/4/131437871/a1fa632bc53.pdfIn PDF document text
    • https://kolukofutire.weebly.com/uploads/1/3/0/7/130740340/e3567f535cb6a.pdfIn PDF document text
    • https://lurugidapu.weebly.com/uploads/1/3/4/3/134315770/luzupuvuwekafa.pdfIn PDF document text
    • https://pekatizofu.weebly.com/uploads/1/3/0/7/130739174/9966580.pdfIn PDF document text
    • https://kipunokazapalu.weebly.com/uploads/1/3/4/7/134774983/5277626.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_off00009b80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B80 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000b397.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB397 10444 bytes
SHA-256: dfd773b8c3a1fabe086b49e3a172dbdf33e0af6fc1b842575c06edd2c75bfafe
font_02_sfnt_off0000cb5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB5B 17088 bytes
SHA-256: 2492d2da1f4a1057c4d7b51c67f534f2836a7e4870d5f8bc2a7b612c0fefb49c

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