Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3046f2ff7b5e16…

MALICIOUS

PDF

352.2 KB Created: 2022-01-18 15:52:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 757818a2c28a0de8a7f313e28fa0fdfd SHA-1: 94b153cac67bdb00daab125af792a2821a45f2cd SHA-256: 4e3046f2ff7b5e161f7a3cd71c3cf1de5d3a0ff28e5315f8f81e392f612a323f
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6819

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 http://natalieshuff.com/uploads/file/zexebejulibavusowulo.pdf In PDF document text
    • http://tagsu.com/attachments/fckattachments/file/58109101506.pdfIn PDF document text
    • http://hanauhrova.cz/files/64346169434.pdfIn PDF document text
    • http://offokin.ru/sites/default/files/file/wafabe.pdfIn PDF document text
    • http://machinesupplier.cn/data/product/file/20211222_175435_290.pdfIn PDF document text
    • http://www.psoevalledeabdalajis.es/ckfinder/userfiles/files/jigazonejatudunozunomo.pdfIn PDF document text
    • https://trainova.com/userfiles/file/78091768688.pdfIn PDF document text
    • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/161e0e5c641703---81449891431.pdfIn PDF document text
    • https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/kakasitud.pdfIn PDF document text
    • http://hieuchuan.com/upload/files/rufavesofoxi.pdfIn PDF document text
    • http://idcla.net/upload/files/93911070397.pdfIn PDF document text
    • https://shriramsteels.in/public/ckfinder/userfiles/files/16173388973.pdfIn PDF document text
    • https://grandhotelushba.com/userfiles/file/supoluju.pdfIn PDF document text
    • https://www.comperat-89.fr/ckfinder/userfiles/files/jubitegokiwifoka.pdfIn PDF document text
    • http://plantessentialoil.com/upload/files/zugurixologakulojexoxojo.pdfIn PDF document text
    • http://bielwod.com/userfiles/file/wavabab.pdfIn PDF document text
    • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1616303d36c512---62408719985.pdfIn PDF document text
    • http://residencecarlofelice.com/userfiles/files/bizefakudodebusazobajifu.pdfIn PDF document text
    • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161636ad60d128---reselitakuvipejezevaberi.pdfIn PDF document text
    • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16189943410dc8---76812077602.pdfIn PDF document text
    • https://pankajplast.com/ckfinder/userfiles/files/wenupenagixafoxobadufelu.pdfIn PDF document text
    • http://amphorabeautyclub.com/campannas/file/koluler.pdfIn PDF document text
    • http://myphamhelios.vn/luutru/files/77854814937.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/EqozwcbAC44/uplcv?utm_term=aimbot+para+critical+ops+androidPDF link annotation
    • 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00050b2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50B2C 1920 bytes
SHA-256: 3195f266329c7861c812d997d9f0c022d2df592b0f7b11f73ef7ecfe655f6d6c
font_01_sfnt_off0005140f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5140F 18164 bytes
SHA-256: f2ce208357e88922584583483571f36cbbf4e7ce99ee540f6d5550ee697e4ddf
font_02_sfnt_off00054216.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54216 10664 bytes
SHA-256: 29b7839698dd4e4fa6969480805d10dd65cf25238bc493d3d92bd7329fdc37cf
font_03_sfnt_off00055a44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55A44 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336