Malicious PDF — malware analysis report

Static analysis result for SHA-256 af289fe339afbcee…

MALICIOUS

PDF

333.8 KB Created: 2022-03-09 23:19:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 5d1acd0c9e4827c896b11b4fe53c3e1f SHA-1: d500079ec65c862932b2fd4c42c9215c2e5a449f SHA-256: af289fe339afbcee938b970fa4930d4324cb4258337c1d564519ea0c333f0088
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7390

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://podar.co.za/XSRYdR1H?utm_term=highgate+wood+school+ofsted+report PDF link annotation
    • http://nishikizushi.com/js/kcfinder/upload/files/kijadafixipi.pdfIn PDF document text
    • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16200a9bf82570---dafuvinolex.pdfIn PDF document text
    • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1620a5168557e9---jafogisukitaputiromega.pdfIn PDF document text
    • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16211f9bc1eca1---35341364608.pdfIn PDF document text
    • https://calendarsunrooms.com/userfiles/files/75540418778.pdfIn PDF document text
    • http://klimafertotlenites.hu/kcfinder/upload/files/29326046940.pdfIn PDF document text
    • https://www.cis2020.scrs.in/kcfinder/upload/files/xusiwo.pdfIn PDF document text
    • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16222d065d55fb---60821206137.pdfIn PDF document text
    • http://busankid.com/webfiles/board/file///26618998191.pdfIn PDF document text
    • http://fazendasaojudastadeu.net/fotosempresa/files/88918910096.pdfIn PDF document text
    • https://siemens-rozetki.ru/kcfinder/upload/files/wagiran.pdfIn PDF document text
    • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16216d6de6fb0c---topawigafanekekixu.pdfIn PDF document text
    • http://www.veedik.com/assets/admin/kcfinder/upload/files/megulufa.pdfIn PDF document text
    • http://oreoltour.ru/sites/default/files/file/77537324755.pdfIn PDF document text
    • http://www.solarwindependence.com/ckfinder/userfiles/files/tasim.pdfIn PDF document text
    • http://metabolitplus.ru/files/file/56981907193.pdfIn PDF document text
    • http://sz-frp.com/pic/20220208010349563.pdfIn PDF document text
    • http://greensketch.in/userfiles/file/jusaguvaro.pdfIn PDF document text
    • https://aathichudi.org/userfiles/file/kuwiwazekutepaxok.pdfIn PDF document text
    • http://overcomeproblems.com/images/files/xugomupaluvetemolofeku.pdfIn PDF document text
    • http://nitexprofi.cz/userfiles/file/nidedotomojanut.pdfIn PDF document text
    • https://carnac.kendalch.com/upload/files/xupuviwegazixejamuj.pdfIn PDF document text
    • http://stmarysharipad.com/userfiles/file/24614423312.pdfIn PDF document text
    • http://vividconcept.in/userfiles/file/xogugobisibawetadolezura.pdfIn PDF document text
    • http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/runiwuxutotew.pdfIn PDF document text
    • https://1000fdep.talenzsoftware.fr/upload/files/wefobafizaza.pdfIn PDF document text
    • http://huijingweb.com/upload_fck/file/2022-3-2/20220302080612664453.pdfIn PDF document text
    • http://nscenter.cn/upload/files/sepijirufibapi.pdfIn PDF document text
    • http://energy-partner.pl/kcfinder/upload/files/lijatofugafezi.pdfIn PDF document text
    • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16200de50527fd---61368631120.pdfIn PDF document text
    • https://binarbaidrealestate.com/public_html/userfiles/file/28308649463.pdfIn PDF document text
    • http://chenruichem.com/upload/files/tepako.pdfIn PDF document text
    • http://hichipper.com/hichipper/uploadfile/file/2022030605061873499.pdfIn PDF document text
    • http://francescofesta.it/userfiles/files/37103353441.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_off0004bb5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BB5A 10872 bytes
SHA-256: eec87851cd3ed688380a16f4056efec6cf1364163f8fb36dde86922bd5a7a3d1
font_01_sfnt_off0004d46f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D46F 22316 bytes
SHA-256: e4c985a8a1418b70db122c35dd2b69fc199f95021587f3fe3fae89adf1da14cf
font_02_sfnt_off00050eb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50EB8 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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