Malicious PDF — malware analysis report

Static analysis result for SHA-256 624198e55cf52c91…

MALICIOUS

PDF

338.8 KB Created: 2022-02-25 06:01:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-29
MD5: 282f78e77fa0e11acecd0df40cb33ce1 SHA-1: 39182d978d3b0ed11841a78ec7b9365a64424463 SHA-256: 624198e55cf52c914840bf380ab0cec2c1ba1e849716ea4fa221e5a6352dab0b
206 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7135

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.
  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • 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 https://norin.co.za/XSRYdR1H?utm_term=scorecloud+express+for+android PDF link annotation
    • https://mbbs.hr/files/ganowos.pdfIn PDF document text
    • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/1jalr6mc7nhccmh1d3aj5ai2mc/lajixitofigikesoza.pdfIn PDF document text
    • http://nakamurasangyou.jp/app/webroot/uploads/files/29232692250.pdfIn PDF document text
    • http://bibikid.ru/upload/71792916447.pdfIn PDF document text
    • https://greassi.com/editor_upload/file/watomez.pdfIn PDF document text
    • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/2bbd4d896b79ce24295690ec15c3e25f/4366623908.pdfIn PDF document text
    • http://thepducphat.com/upload/files/jagujo.pdfIn PDF document text
    • http://lindseyderence.com/userfiles/files/13135267776.pdfIn PDF document text
    • http://tcsklife.com/filespath/files/20211126001458.pdfIn PDF document text
    • http://rmgoals.com/userfiles/files/35647746164.pdfIn PDF document text
    • https://szekszardportal.hu/userfiles/file/7627751151.pdfIn PDF document text
    • http://charmingcurls.se/upload/file/diwenomikijisetag.pdfIn PDF document text
    • http://myhomeinparis.com/userfiles/files/61287703945.pdfIn PDF document text
    • https://rodolphe-blanchet.fr/Rodolphe/fckeditor/file/4197912338.pdfIn macro / runtime command snippet
    • http://dietmoiquangle.com/webroot/img/files/56859422479.pdfIn PDF document text
    • http://chunzucn.yun2u.cn/upload/files/folozizefoziseponofi.pdfIn PDF document text
    • http://pytextiles.com/userfiles/file/99521159216.pdfIn PDF document text
    • https://acatay.daynexdemo.tk/upload/ckfinder/files/mirujuzitarusetotowew.pdfIn PDF document text
    • http://mitsubishilongbien.vn/images/ckeditor/files/88731388936.pdfIn PDF document text
    • https://bentonhomebuilders.com/kcfinder/55359696010.pdfIn PDF document text
    • http://ciarajewellery.com/editor_upload/file/gurakusonefo.pdfIn PDF document text
    • http://carolstoecker.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/tutikigub.pdfIn PDF document text
    • https://yapluka-services.fr/userfiles/file/poxirorabugafuleroga.pdfIn PDF document text
    • https://balarampurblock.in/ckfinder/userfiles/files/76342844720.pdfIn PDF document text
    • http://bjqyms.com/filespath/files/20211206205810.pdfIn PDF document text
    • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/161df5cd04dad3---perazig.pdfIn PDF document text
    • http://amirafouad.com/uploaded_files/file/womumedal.pdfIn PDF document text
    • https://www.seblocation.com/ckfinder/userfiles/files/40091453103.pdfIn PDF document text
    • http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210816_4ADEE508D7517D0B.pdfIn PDF document text
    • http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/43519225946.pdfIn PDF document text
    • http://ghefootmassage.com/fckeditor_userfiles/file/23145910292.pdfIn PDF document text
    • http://hidropro.hu/upload/44952253418.pdfIn PDF document text
    • http://sipzip.com/userfiles/file/bifupanenutonu.pdfIn PDF document text
    • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e28685611ad---mufurinupejegobogabovi.pdfIn PDF document text
    • http://redemaisfarma.com/userfiles/file/98073321693.pdfIn PDF document text
    • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/92e28b495bf922befbbbce26d9659c19/bezopoxejepudiboton.pdfIn PDF document text
    • http://myhomeinpaIn macro / runtime command snippet
    • 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_off0004dc56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4DC56 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0004f376.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F376 10792 bytes
SHA-256: 9b6da32638db4bdc9b3639fcc922edef6dc868356916a3d49cffbdf2cf0ce66d
font_02_sfnt_off00050c5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50C5C 18252 bytes
SHA-256: 80b38f233b5642a54386edeac5014892f23f8b3ec10f5445fb96caf5ef667d1a