Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5dbd1ddcc482d11…

MALICIOUS

PDF

75.6 KB Created: 2021-09-09 20:43:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 1014aebdd95a2337126b7575d585ee4d SHA-1: ea954e2be7bfef6fe09e372fa1e8afd2becc8aa4 SHA-256: c5dbd1ddcc482d113b7a0910590202fbbe33b5aeba326faa4e4db2bfa5c4075a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9947

Heuristics 5

  • 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.
  • 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 http://accapierre.it/userfiles/files/49906017736.pdf In PDF document text
    • http://newo.ru/files/files/59248561503.pdfIn PDF document text
    • http://fotocaroli.it/userfiles/files/lapulipajux.pdfIn PDF document text
    • http://bbdecontra.com/userfiles/files/fiwanidix.pdfIn PDF document text
    • https://eko-briketes.lv/userfiles/files/fimagaveteme.pdfIn PDF document text
    • http://nuovartea.eu/userfiles/files/65376926797.pdfIn PDF document text
    • http://ebonit.light.bg/includes/libs/ckfinder/userfiles/files/68478008427.pdfIn PDF document text
    • http://nuk-amro.de/userfiles/file/62305752753.pdfIn PDF document text
    • http://cropscipublisher.com/files/upfiles/file/xesebanivolisofe.pdfIn PDF document text
    • https://getracemirates.com/userfiles/files/49183705778.pdfIn PDF document text
    • http://aptekadc.pl/userfiles/userfile/89321043018.pdfIn PDF document text
    • https://profesa.net/userFilesfile/33606039291.pdfIn PDF document text
    • http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/35028312011.pdfIn PDF document text
    • http://jrecchina.com/ckeditor/ckfinder/userfiles/files/rufuropojavofa.pdfIn PDF document text
    • https://theipbuzz.com/images/file/23716697450.pdfIn PDF document text
    • http://mateuszkucharski.pl/admin/file/96114374521.pdfIn PDF document text
    • https://www.retake.dk/ckfinder/userfiles/files/ritolituki.pdfIn PDF document text
    • https://aarhuskortet.dk/images/file/18204009965.pdfIn PDF document text
    • http://sochisushi.nl/survey/userfiles/files/37729193311.pdfIn PDF document text
    • http://stin-verdon.fr/assets/Image/files/nitilobada.pdfIn PDF document text
    • https://kcss.hu/korosi/userfiles/file/lutaser.pdfIn PDF document text
    • http://nikolalepojevic5.com/multimedia/file/63826741093.pdfIn PDF document text
    • http://avtokapriz42.ru/userfiles/file/6169422160.pdfIn PDF document text
    • https://phuketwebstudio.com/ckfinder/userfiles/files/zukijobasofamoterix.pdfIn PDF document text
    • http://lotusromeo.fr/app/webroot/files/userfiles/files/nivesimajerojowu.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=tokyo+ghoul+game+android+downloadPDF 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_off0000c1eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC1EB 10784 bytes
SHA-256: 9a1ad0e272f18e8bab4447ea835b7219a25de56b7707c676ad4a5fa9f9adeb67
font_01_sfnt_off0000da5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA5E 17860 bytes
SHA-256: 4fb65210cc11d1680dcef835a8f3d519607a0c0f0113adca72912bb6ccd92314
font_02_sfnt_off00010907.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10907 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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