Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d839035010ee2ee…

MALICIOUS

PDF

111.6 KB Created: 2022-02-11 09:21:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 5c1881ba22db10047a23150bd913f122 SHA-1: a580f62d876b32f8d33daa7c40297c8d00d77c8b SHA-256: 5d839035010ee2ee28ceefaca880d9b53cf72246c709d813cfda95cf83b8e481
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9876

Heuristics 7

  • 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.
  • 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://ragaz.co.za/XSRYdR1H?utm_term=eighteenth+century+fiction+submission+guidelines PDF link annotation
    • https://afgventuregroup.com/cfiles/file/55567541056.pdfIn PDF document text
    • https://highrise.pl/file/vakegujemosakeza.pdfIn PDF document text
    • http://asbu.net/uploads/FCK_files/file/xenumivufojudovudobaw.pdfIn PDF document text
    • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/f636148bd9fdaad905257b283eb31a5f/76428113051.pdfIn PDF document text
    • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/161c4e9f9c5eeb---3205667387.pdfIn PDF document text
    • https://ptkas.com/kingkong/userfiles/files/pejavuzezewek.pdfIn PDF document text
    • http://dr-onesrl.com/userfiles/files/67344942972.pdfIn PDF document text
    • http://thaide.org/userfiles/file/58470497763.pdfIn PDF document text
    • http://rideco.hu/upload/file/46993814960.pdfIn PDF document text
    • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/161e3345e0e414---70307000759.pdfIn PDF document text
    • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611166d23e85e---89530833587.pdfIn PDF document text
    • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/161d0c22ad0cf6---pilimit.pdfIn PDF document text
    • http://bladensburg.abwingsmd.com/uploads/files/jogevunolesasuxozevoge.pdfIn PDF document text
    • https://butterfly-propertymanagement.com/userfiles/file/64811208317.pdfIn PDF document text
    • http://thekreativecompany.com/uploaded_files/userfiles/files/jovizuwedemusulupusufeda.pdfIn PDF document text
    • http://gndpta.eu/news_objects/files/fezemebokorikotapubisuriz.pdfIn PDF document text
    • http://www.debreceni-fogaszat.hu/js/ckeditor/kcfinder/upload/files/67386743809.pdfIn PDF document text
    • https://access-etoile.edecision.fr/userfiles/file/dujugusekoko.pdfIn PDF document text
    • https://euinsuti.uniluxgym.ro/app/webroot/files/userfiles/files/82201843588.pdfIn PDF document text
    • http://fornacedelia.it/userfiles/files/33641492641.pdfIn PDF document text
    • http://edu-family72.ru/content/images/uploads/file/fajibijewifipebuxoruwab.pdfIn PDF document text
    • https://smg.bid/ckfinder_userfiles/files/21143849398.pdfIn PDF document text
    • http://xlpe.net/Images_upload/files/9063096622.pdfIn PDF document text
    • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1610abfff357a2---kuneguz.pdfIn PDF document text
    • http://rapet.hu/files/suvidekedesuboje.pdfIn PDF document text
    • https://osiindia.org/ckfinder/userfiles/files/55048736008.pdfIn PDF document text
    • https://afayl.com/userfiles/file/nusumarijema.pdfIn PDF document text
    • http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/nagisolon.pdfIn PDF document text
    • http://feach.ie/images/uploads/file/mijowasojijowibareduropew.pdfIn PDF document text
    • http://clinivetmadonnadirosa.eu/userfiles/files/408566334.pdfIn PDF document text
    • https://overnachteninorvelte.nl/bestanden/files/rarotid.pdfIn PDF document text
    • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e4d7a4af967---getanelikokujowikijivemaz.pdfIn PDF document text
    • http://etspak.com/survey/userfiles/files/89511007285.pdfIn PDF document text
    • http://wccflooring.com/userfiles/files/76453757856.pdfIn PDF document text
    • https://essaidafm.com/uploads/FCK_files/file/87370208928.pdfIn PDF document text
    • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16104e019aeaa6---zajexiripenete.pdfIn PDF document text
    • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1618dd961478b5---55016582364.pdfIn PDF document text
    • http://shannonlakeestates.org/fck_images/file/35301510058.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_off00014dc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14DC0 11100 bytes
SHA-256: 90a414d4159878322118f2d4d07d99776a42636e6698cbd8c2cae8110a89121d
font_01_sfnt_off00016734.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16734 18548 bytes
SHA-256: 3a2f85d4814efa1fa8b621e5f5d45fe6973d33c18ede6a646774933a15f2c424
font_02_sfnt_off0001973d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1973D 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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