Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8dab127972a6fe…

MALICIOUS

PDF

81.6 KB Created: 2021-09-12 17:02:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 51a158134cae83ede215237e87968b7e SHA-1: b7cab47f35ab5fda99de62dd9866146ec0e56632 SHA-256: 5d8dab127972a6fe8fb04305ed915bed21ca1bd551b58794ff71e3d5bd51b3c8
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9949

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/dj6htgh6rmumcr5q0pas4frl2e/26263624963.pdf In PDF document text
    • http://skontrolsengineering.com/file_media/file_image/file/vinufug.pdfIn PDF document text
    • http://fluitec.fr/ressource/site-image/files/piwuxidubuwodutebepugixe.pdfIn PDF document text
    • http://e3edu.vn/public/ckfinder/core/connector/php/connector.phppublic/uploadsfiles/vanekafupuvejulifixipiren.pdfIn PDF document text
    • http://15441707.com/data/board/file/20210910155714.pdfIn PDF document text
    • http://dreamsurgerycn.com/ckupload/files/vidikolulimirozolokixem.pdfIn PDF document text
    • http://jiehuist.com/userfiles/files/todibolivabo.pdfIn PDF document text
    • https://g55net.com/webpagebuilder/ckfinder/userfiles/files/togodabozivejajexa.pdfIn PDF document text
    • http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/59749091223.pdfIn PDF document text
    • http://xn--42cfa4ewb0a0b3fwh.com/imageupload/files/sitededosilerirobeni.pdfIn PDF document text
    • http://rund-sro.cz/UserFiles/File/pejesokinepuzikavowibe.pdfIn PDF document text
    • http://koreanhotpot.com/uploads/files/wusapavisotenasuri.pdfIn PDF document text
    • https://keepingscore.org/userfiles/file/xeludapobenenegeteni.pdfIn PDF document text
    • http://stainless-faucet.com/uploads/htmlupload/files/pegodadilobafidafuz.pdfIn PDF document text
    • http://impressivetravelvietnam.com/upload/files/vasoromufutuxanu.pdfIn PDF document text
    • https://watertorens.nl/userfiles/file/61401971139.pdfIn PDF document text
    • https://aakritidigitals.com/userfiles/files/ronafipiwotuviv.pdfIn PDF document text
    • http://wtmongolia.com/materials/file/16128396217.pdfIn PDF document text
    • http://camelliafb.com/uploads/files/202109092054368745.pdfIn PDF document text
    • http://quimis.net/js/ckfinder/userfiles/files/bipedapetipapunaro.pdfIn PDF document text
    • https://phuketwebstudio.com/ckfinder/userfiles/files/94580537784.pdfIn PDF document text
    • http://geometrabottero.it/userfiles/files/zipiradufazavibi.pdfIn PDF document text
    • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/48cf4c2635dcf950f2cd86d5042e4329/tiborijirova.pdfIn PDF document text
    • https://ajur.rest/uploads/userfiles/file/65586090405.pdfIn PDF document text
    • http://huspanda.com/data/ckfinder/files/83516423279.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=free+car+stunt+gamesPDF 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_off0000dedd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEDD 16560 bytes
SHA-256: 807ae4493ba35fb9043a5fcc51d359ea524bcf5f74aa08126e027f375cbeae09
font_01_sfnt_off000109cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109CB 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000121e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x121E2 10392 bytes
SHA-256: 3d1c6c3ffc0a46cad3111fb8a144c1c08407497638e63300cec2ef213484eaa9