Malicious PDF — malware analysis report

Static analysis result for SHA-256 425f672b3f221753…

MALICIOUS

PDF

73.7 KB Created: 2021-11-15 05:31:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: f3fdbc4a85933c3ee5c29160e17da088 SHA-1: d6ce0ce9a13293bd645ecb8e05ee6af5325b7e3a SHA-256: 425f672b3f221753c662f4aad0fb07cf7a5cdf26d482a2e3bb3fc257b4892701
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://epodhajska.eu/UserFiles/File/pajijujabizopur.pdf In PDF document text
    • https://garmin10.ddbseven.cl/userfiles/file/67282787510.pdfIn PDF document text
    • http://partner-support.net/user_data/userfiles/files/64233376063.pdfIn PDF document text
    • http://laboratoriologos.it/userfiles/files/76935444714.pdfIn PDF document text
    • http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/26058018517.pdfIn PDF document text
    • http://targhevaticane.it/userfiles/files/zabov.pdfIn PDF document text
    • https://tomaszbizon.tomaszbizon.pl/web/uploads/files/86152597842.pdfIn PDF document text
    • http://myagreement.com/UserFiles/file/72529152642.pdfIn PDF document text
    • http://youil.org/userData/board/file/79924355952.pdfIn PDF document text
    • http://box8websites.com/ckfinder/userfiles/files/10007242243.pdfIn PDF document text
    • http://drivingschool-brno.eu/files/44173204391.pdfIn PDF document text
    • https://grdr.org/paidel/ckfinder/userfiles/files/jafozu.pdfIn PDF document text
    • http://gyuco.com/uploadfile/files/20211021_085904.pdfIn PDF document text
    • http://lucidareemantenerepavimentifaidate.it/userfiles/files/xudodowa.pdfIn PDF document text
    • http://duancanhotot.com/upload/files/78584252756.pdfIn PDF document text
    • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/rq24fiofb8h7lbujbn3lqc84m4/juwabatunozakawibani.pdfIn PDF document text
    • http://art-ball.net/files/file/70812812719.pdfIn PDF document text
    • http://manuale.aziendasulweb.it/userfiles/files/57255431371.pdfIn PDF document text
    • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/48073b3a9b1966296d54bc83377ea8d7/xufebiwijudupopeso.pdfIn PDF document text
    • https://loppisidjupdalen.se/images/uploaded/file/66367722148.pdfIn PDF document text
    • http://abwcoliseum.com/uploads/files/9494443406.pdfIn PDF document text
    • https://queensflower.nl/clientfiles/72534019830.pdfIn PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/UsNeCLCzgYg/uplcv?utm_term=adele+rolling+in+the+deep+mp3+free+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_off0000b204.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB204 11016 bytes
SHA-256: 9de8cd29247083225aff98a9c92ae4dc5a87da6c2107e3efc9819685ef45a9a5
font_01_sfnt_off0000cb40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB40 20676 bytes
SHA-256: 6bf3b29f40e9240d2557e9260b0f22416c19f77b69c837170842868ab44d05da
font_02_sfnt_off000101f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101F7 16540 bytes
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef

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