Malicious PDF — malware analysis report

Static analysis result for SHA-256 425318f0135808e3…

MALICIOUS

PDF

197.4 KB Created: 2022-02-09 15:10:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: d7fe054094015d0c9b964f84034c807b SHA-1: b8e13fb65ad0848f0fc91fc655569819f6d13cc4 SHA-256: 425318f0135808e3c892dbc37bca6011dcb38e5091bf0cf05dde2a1a7a087df1
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9690

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.
  • 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://wirut.co.za/XSRYdR1H?utm_term=android+7.+0+auto+rotate+not+working PDF link annotation
    • https://machinex-machines.com/UserFiles/File/31488029212.pdfIn PDF document text
    • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/4035f1107bbc8219f249327acd19eba7/bugoli.pdfIn PDF document text
    • https://vietrocknet.org/app/webroot/img/files/93637405600.pdfIn PDF document text
    • http://www.ville-dammarie.com/ckfinder/userfiles/files/vimomaboratazir.pdfIn PDF document text
    • https://mma-montessori.com/admin/ckfinder/userfiles/files/joxejobodadufogu.pdfIn PDF document text
    • https://femagnet.com/upload/edu/article/file/5497044831.pdfIn PDF document text
    • http://easyliveconstruction.com/ci/userfiles/files/xuwotemize.pdfIn PDF document text
    • http://www.winnicajanowice.pl/kcfinder/upload/files/68871113381.pdfIn PDF document text
    • https://panegovernance.com/ourprojects/chowki/UserFiles/file/kisikolonixepalojepufemo.pdfIn PDF document text
    • https://unityofmyanmar.org/images/files/33453899200.pdfIn PDF document text
    • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161e6b98428591---79939482848.pdfIn PDF document text
    • https://shipnhanh247.vn/asset/files/21661736229.pdfIn PDF document text
    • https://ntct-dz.com/ckfinder/userfiles/files/97097190346.pdfIn PDF document text
    • http://polskienarty.pl/data/aktualnosci_imgs/file/vigewafitax.pdfIn PDF document text
    • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1619021c33092f---pibafodiro.pdfIn PDF document text
    • http://bausite.ru/userfiles/files/filizuwunovetana.pdfIn PDF document text
    • https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/19738713803.pdfIn PDF document text
    • https://jnnjhansi.com/userfiles/file/9893108231.pdfIn PDF document text
    • http://dominoliberec.eu/images/file/files/20900592110.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_off0002a6ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6AB 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0002bdcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BDCB 10708 bytes
SHA-256: 09cc7c052a6b6c3879ad67fe2e62459ac585ab8832b4ed88c3451d0803565421
font_02_sfnt_off0002d664.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D664 18800 bytes
SHA-256: 663ca678cdc150304174f8f8ed052d5441bdfc4a1287220f76e2212bb53895a2

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