Malicious PDF — malware analysis report

Static analysis result for SHA-256 f87d1d809cfd976e…

MALICIOUS

PDF

91.6 KB Created: 2021-08-08 13:31:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 2630ba5df78a42c4420513fe02cacfcd SHA-1: 7c1723ea7db1b172efbf64ea60e8cedb5fdb33d4 SHA-256: f87d1d809cfd976e033cfb95dda1f26d85dfa6fbe990e8dd16cd86e479975674
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://pixomot.ru/uplcv?utm_term=une+si+longue+lettre+r%C3%A9sum%C3%A9+par+chapitre+pdf PDF link annotation
    • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608d177eb6d75---dipiwuv.pdfIn PDF document text
    • https://kaptenhoki.net/contents//files/jemozexikilitatanafu.pdfIn PDF document text
    • https://soechi.net/userfiles/file/jalevo.pdfIn PDF document text
    • https://anmoul.com/userfiles/file/25017762759.pdfIn PDF document text
    • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160a1922e1ad4c---fisuxamaturupalujomete.pdfIn PDF document text
    • http://orderleesushi.com/uploads/files/gilasijor.pdfIn PDF document text
    • https://mut-zur-veraenderung-hambuch.de/userfiles/file/dopuvemesiliridudezazu.pdfIn PDF document text
    • https://acronimocostanzo.com/userfiles/file/fojisetigofomiwa.pdfIn PDF document text
    • https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/69e6d3dbb4676b52a338f1a45c86d00f/zojuboxunujuxiti.pdfIn PDF document text
    • http://khachsansapa.vn/webroot/img/files/rimalivurewi.pdfIn PDF document text
    • https://mmagame.com/userfiles/file/porewon.pdfIn PDF document text
    • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4c7914af8---pelukavidezaparunojiwu.pdfIn PDF document text
    • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb8aede8cf---76474755737.pdfIn PDF document text
    • http://fincasotilloviejo.es/files/sotillo/_repo/file/selarimukusizagov.pdfIn PDF document text
    • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/acs5hdvm768t4vug96tg5tgn31/12573377919.pdfIn PDF document text
    • http://taborcapitalpayment.com/clients/d/d0/d0a3925ee25d0adc8806453b18bccccc/File/45440486855.pdfIn PDF document text
    • https://imotrading.com/images/userfiles/wivifuramotinelixabujama.pdfIn PDF document text
    • http://jingluo.net/uploadfiles/files/5627478226.pdfIn PDF document text
    • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160afffd342f82---belevizika.pdfIn PDF document text
    • http://hoanhaochemical.com/uploads/files/61774520847.pdfIn PDF document text
    • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/f5d9621973f9b6059520a7db6a291e5b/tupomovavizu.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_off0000f8a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8A5 11328 bytes
SHA-256: 607687494ceb3c0e40168ef2fea1cd516577d50c10c018952c2eb54009a68804
font_01_sfnt_off0001129f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1129F 20184 bytes
SHA-256: c75355b406b05627b9aaa51d73221893cbc0183300ca6a34a77a83a3c6fab5c8
font_02_sfnt_off00014504.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14504 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1