Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e5f4bd163c64eb…

MALICIOUS

PDF

315.7 KB Created: 2022-03-07 18:56:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 60d420e657f7a9c2fb85eecf353ff9c1 SHA-1: c34314961cd3b762c5d84ff9d3ae2187124661d8 SHA-256: d3e5f4bd163c64eb0ac9de4410b53a87c2514fe6b1999ae214c873849092c398
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7064

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://cafij.co.za/XSRYdR1H?utm_term=mammoth+fossil+found+answer+key PDF link annotation
    • http://www.rupankar.com/fckimages/file/kideselimakoxepaf.pdfIn PDF document text
    • https://faustgottes.ch/upload/files/xuxibuzevabagil.pdfIn PDF document text
    • https://dkglobalrecruiters.com/admin/public/ckeditor/upload/files/jowageronilojazipavo.pdfIn PDF document text
    • http://knowleangling.co.uk/ckfinder/userfiles/files/85873651162.pdfIn PDF document text
    • http://banglatalkies.com/dynamic-images/cms/file/65714979468.pdfIn PDF document text
    • http://sabancilojistik.com/userfiles/file/lokidagixibegapugole.pdfIn PDF document text
    • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/162075ca8c7880---69539465430.pdfIn PDF document text
    • http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/85020144710.pdfIn PDF document text
    • http://paintmaster.hu/js/ckfinder/userfiles/files/kewika.pdfIn PDF document text
    • https://braintreeclinics.com/app/webroot/img/files/76170873758.pdfIn PDF document text
    • http://savytrading.com/userfiles/file/49005237027.pdfIn PDF document text
    • http://mtcnx.com/upload/fckimagesfile/34064818764.pdfIn PDF document text
    • http://bmcnx.com/userfiles/file/46889953268.pdfIn PDF document text
    • https://creteotels.gr/FCKeditor/userimages/file/kezazuzodis.pdfIn PDF document text
    • https://medpressa.ru/files/file/65800741984.pdfIn PDF document text
    • http://szigetkoz-vizitura.hu/admin/kcfinder/upload/files/56400424805.pdfIn PDF document text
    • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/162209cee8ec2b---zovewawozavaduju.pdfIn PDF document text
    • https://www.studiopicotti.com/_admin/kcfinder/upload/files/pijadufuzufosusopip.pdfIn PDF document text
    • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/6iub98pdpc360cvien11ici733/52970122802.pdfIn PDF document text
    • https://p-yanagase.gorakuou.net/blog/upimg/34135805204.pdfIn PDF document text
    • http://0555love.com/uploadfile/file/83596953841.pdfIn PDF document text
    • http://lnianemarzenie.pl/userfiles/file/bumoba.pdfIn PDF document text
    • http://botan-koubou.com/js/kcfinder/upload/files/84515279232.pdfIn PDF document text
    • http://jewishfolksongs.com/userfiles/file/97269697438.pdfIn PDF document text
    • http://studiomilano.eu/userfiles/files/raxukonorux.pdfIn PDF document text
    • http://www.cerradurasytornillos.com/gdc/kcfinder/upload/files/21403097691.pdfIn PDF document text
    • http://dinobajka.pl/Upload/file/pefilerozowem.pdfIn PDF document text
    • http://rrarental.org/upload/file/wotiwefiveputupituju.pdfIn PDF document text
    • https://bbcodex.com/kcfinder/upload/files/74448575543.pdfIn PDF document text
    • http://cwesp.biz/upload/file/40191704336.pdfIn PDF document text
    • http://veedik.com/assets/admin/kcfinder/upload/files/ladidaresukobilusexanexuv.pdfIn PDF document text
    • http://csc-020.com/userfiles/file/20220221174528_dff7gu.pdfIn PDF document text
    • http://nacyc.jp/Upload/file/26768230502.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_off00047d5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47D5A 18424 bytes
SHA-256: fa99c559420159af276cd9c26454d0ddd90b1f65ce042defe712eb15dde08d56
font_01_sfnt_off0004acf4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4ACF4 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0004c414.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C414 11004 bytes
SHA-256: 4f958cc663cd348aac3883e9ad943e3c2854bc0737581b8747be491543bcc478