Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3ebc24f1213de1f…

MALICIOUS

PDF

357.8 KB Created: 2022-02-07 18:18:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 4580f94acb5e5563267974f99432754e SHA-1: 964d9cb93f8f1beb353463f97a7c6b4c2ba15a74 SHA-256: d3ebc24f1213de1f39161c55d682afe6abb77f85cb54fac1554a058570f0e6b7
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6543

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
  • 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.
  • 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://tevav.co.za/XSRYdR1H?utm_term=everyday+mathematics+grade+5+homework+answers PDF link annotation
    • https://www.studiopicotti.com/_admin/kcfinder/upload/files/61638096813.pdfIn PDF document text
    • http://paroissedementon.fr/upload/files/vigonorijoxo.pdfIn PDF document text
    • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e25bad0ec31---67586761055.pdfIn PDF document text
    • http://huichem.com/ckfinder/userfiles/files/nuguforedamibogepag.pdfIn PDF document text
    • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/fc56d12037cdcaa9d866c6114aeeafa9/wexuwiverosopekoku.pdfIn PDF document text
    • http://zhizhencn.com/filespath/files/20211201095951.pdfIn PDF document text
    • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161eff33b4fd98---lapozojemenuzebow.pdfIn PDF document text
    • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161aa92379b06d---mibisazas.pdfIn PDF document text
    • http://munnarinfo.in/userfiles/file/77038452207.pdfIn PDF document text
    • http://mbfeed.vn/upload/files/50071545562.pdfIn PDF document text
    • http://knx-shop.ru/admin/ckfinder/userfiles/files/mavusovon.pdfIn PDF document text
    • http://mega-stainlesssteel.com/uploads/image/files/xititopupejerigozuzisu.pdfIn PDF document text
    • http://olivia-mitzvah-2020.com/clients/b/ba/ba4af741f15bd7b6832e7848668b55b8/File/67393034789.pdfIn PDF document text
    • http://coniperfumes.cl/js/ckfinder/userfiles/files/30646787717.pdfIn PDF document text
    • http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/narexenipetigupudiluxu.pdfIn PDF document text
    • https://buildingexpertsdirectory.com/ckfinder/userfiles/files/kezeruxefasefefuwebo.pdfIn PDF document text
    • http://roletyhanarol.pl/files/file/12407718664.pdfIn PDF document text
    • http://weldbook.net/upload/files/xutosaxoku.pdfIn PDF document text
    • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161027d38f1b41---27605949015.pdfIn PDF document text
    • https://www.padanguparduotuve.lt/ckfinder/userfiles/files/12311691828.pdfIn PDF document text
    • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1614163394312d---pibafazejo.pdfIn PDF document text
    • http://humanprojekt.lenti.hu/feltoltes/files/zedemevakufivofajuxuwe.pdfIn PDF document text
    • http://dkkarsin.pl/img/upload/files/13618404511.pdfIn PDF document text
    • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6a45d18e6---75499827401.pdfIn PDF document text
    • http://vinacafe-dalat.com/Images_upload/files/35370179248.pdfIn PDF document text
    • http://btfa.tw/upload/files/ponamanazevebovakefun.pdfIn PDF document text
    • http://www.klasikmoto.sk/admin/ckeditor/kcfinder/upload/files/kovanegokeporusawokare.pdfIn PDF document text
    • http://hmarksltd.com/assets/ckeditor/kcfinder/upload/files/56283716104.pdfIn PDF document text
    • https://www.xyoaa.org/sites/default/files/files/89289951712.pdfIn PDF document text
    • https://muzponycompl.muzpony.com/obrazki/file/12572649088.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.netReferenced by PDF JavaScript
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052953.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52953 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0005406e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5406E 17152 bytes
SHA-256: 24ab9c8250cf293183c98928098a3060d4e0eafccbbc4a0bd938c03a6399906f
font_02_sfnt_off00056d63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56D63 11244 bytes
SHA-256: 128a8262e4f4c0e2a0e1f634c48a0befaa38c15f99294498ce7e03a4ec0dc9b8

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