Malicious PDF — malware analysis report

Static analysis result for SHA-256 d07b2f47009ac14c…

MALICIOUS

PDF

75.2 KB Created: 2021-09-27 19:05:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-06
MD5: 3b2838b53f3584de21a1e9b539a19107 SHA-1: 691619b9e1441de103dc3013eb8e734d6be147c4 SHA-256: d07b2f47009ac14c93b0f852b579034c1beea173b8cb238984b191c31e0bc634
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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 http://studiotravenzolo.it/userfiles/files/31307354082.pdf In PDF document text
    • https://classoft.ro/userfiles/file/wawizutegates.pdfIn PDF document text
    • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1614cfbcb7d317---gulijufazijagawovobimus.pdfIn PDF document text
    • https://mygoaltv.com/ipp/images/uploads/files/mixaler.pdfIn PDF document text
    • https://chokysitohang.com/Uploads/userfiles/files/gosapifa.pdfIn PDF document text
    • http://lunaleo.pl/userfiles/file/10322908407.pdfIn PDF document text
    • https://lesartsdansmonjardin.com/userfiles/file/20210905165704.pdfIn PDF document text
    • http://ombs.ru/uploads/files/33208325672.pdfIn PDF document text
    • http://salsainkonstanz.de/media/files/rekexaxurugewetow.pdfIn PDF document text
    • https://rallstarawards.us/nbloom/fckuploads/file/dekufuriwi.pdfIn PDF document text
    • http://mstreatmentadvances.com/userfiles/files/1561818345.pdfIn PDF document text
    • https://inprovitperu.com/ckfinder/userfiles/files/76440272456.pdfIn PDF document text
    • https://wojczak.pl/userfiles/file/watilenetaxugaputibefo.pdfIn PDF document text
    • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c8c08588d6---jetejivirikipetofituwo.pdfIn PDF document text
    • http://er-trans.com/img/produkty/files/45835782205.pdfIn PDF document text
    • https://charterboatdeliverance.com/uploads/files/55316612683.pdfIn PDF document text
    • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb255014c0---66608311416.pdfIn PDF document text
    • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6683d0b76---16229247526.pdfIn PDF document text
    • http://emekyesiltepe.net/images_upload/files/81974527466.pdfIn PDF document text
    • http://generale-bureautique.fr/gdb/files/file/vimag.pdfIn PDF document text
    • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613715d136ba6---90103761000.pdfIn PDF document text
    • http://dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/71414741569.pdfIn PDF document text
    • https://petpetmates.com/files/editor/file/82277479063.pdfIn PDF document text
    • http://kooijobs.in/ckfinder/userfiles/files/73322116921.pdfIn PDF document text
    • https://shibbirs.com/media/files/51847286413.pdfIn PDF document text
    • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161360ebb24731---6008435117.pdfIn PDF document text
    • https://pixomot.ru/uplcv?utm_term=light+platinum+walk+through+wallsPDF 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 extracted file (font_00_sfnt_off0000bc8c.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000bc8c.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bc8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC8C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d4a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD4A3 10804 bytes
SHA-256: 2d5583d29dd219f63833b23af746b3108cec92bf787e6303de5f3f9acdcb6fe8
font_02_sfnt_off0000ed5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED5E 18828 bytes
SHA-256: 1eb167932f2ceed47400c37eca4a9f48e945b2c3c180e7e23a36770fa249f6a8