Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6cf95b70e1384c…

MALICIOUS

PDF

83.5 KB Created: 2021-11-02 11:27:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: d05d6065024051a273b0de7e45e28d7d SHA-1: b6e196af485d904602957e3ae76acbeea5442a7a SHA-256: 2b6cf95b70e1384ce728ff306ff80e875102a06d7151b7dcbae32093a9690bc9
66 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

Heuristics 4

  • 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://www.antoniopopolizio.it/ckfinder/userfiles/files/fewifusolosekujusas.pdf In PDF document text
    • http://christmaslandint.com/userfiles/58744015773.pdfIn PDF document text
    • http://honghuibio.com/d/files/71140441957.pdfIn PDF document text
    • http://xn--80age2amlc.xn--80adxhks/pics/images/file/fukilusa.pdfIn PDF document text
    • https://anctools.com/ckfinder/userfiles/files/83723007218.pdfIn PDF document text
    • https://kaptenhoki.com/contents/files/95651084876.pdfIn PDF document text
    • http://machulski.com/public/file/83783123384.pdfIn PDF document text
    • http://gr-chem.com/upload/files/13902449984.pdfIn PDF document text
    • http://adidravidar.com/ckfinder/userfiles/files/76193960225.pdfIn PDF document text
    • http://hzjksj.com/images/upload/File/fivazixomunidavaforumovo.pdfIn PDF document text
    • https://osakaav.com/userfiles/files/39579093744.pdfIn PDF document text
    • http://ezicms.antifftech.com/uploadfile/file///2021101222114469.pdfIn PDF document text
    • https://senesi-sklad.cz/userfiles/file/wovetelufivulikaxogovonaf.pdfIn PDF document text
    • http://veterinariomauracotti.it/userfiles/files/ruxibow.pdfIn PDF document text
    • http://laserinnsbruck.com/static/juwofotuwutatuwokoxani.pdfIn PDF document text
    • https://webshopplus.nl/app/webroot/files/userfiles/files/13508584219.pdfIn PDF document text
    • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/6fa28cc477db9ec8e5e2a55dfd708623/murusitat.pdfIn PDF document text
    • http://oxigensupplies.com/shipinc/userfiles/files/tukadapuwo.pdfIn PDF document text
    • http://electronicaindex.nl/images/uploads/50206300945.pdfIn PDF document text
    • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/4e551a76df2e135c5727fee843157ce0/fazubawotidonufikaxirula.pdfIn PDF document text
    • https://meritumptt.pl/dokumenty/file/24739713856.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/HTGXzuRVGb4/uplcv?utm_term=data+communication+mcqs+with+answers+pdfPDF link annotation
    • 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_off0000e220.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE220 17244 bytes
SHA-256: 4a33fe067b875cdb25536bc2267fec68b0e6459ebec5ac26d8afb46645808972
font_01_sfnt_off00010ebf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EBF 11172 bytes
SHA-256: fdc1a52e1c9c59bee0d7396a5c1069d798213c6b0786f13a269cb08da34ec9b3
font_02_sfnt_off0001288e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1288E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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