Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb0c760431c23e6e…

MALICIOUS

PDF

244.7 KB Created: 2022-03-05 06:25:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-04
MD5: ff08f65662c245c369607a686a7aa850 SHA-1: b67b4a293d3823081fd7dd3c493d9b9668bc61f0 SHA-256: fb0c760431c23e6e482fca25920d35b5d31026319cccffb96080cc991745a487
206 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7685

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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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://christmaslandint.com/userfiles/94683443875.pdf In PDF document text
    • http://autoscuolapezzano.it/userfiles/files/52628549326.pdfIn PDF document text
    • http://wflyyxzrgs.com/uploadfile/file/98929e3ead236d95c4f2fa871f6af4e5.pdfIn PDF document text
    • http://bangtutrang.com/upload/files/77315132707.pdfIn PDF document text
    • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ffb55f9751b---51862996585.pdfIn PDF document text
    • http://alianzablue.com/aym_image/files/26938783547.pdfIn PDF document text
    • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/vt9bs8m9ji6ani0954ehqkhd82/nukozapivum.pdfIn PDF document text
    • https://matharu.ae/userfiles/file/71923792784.pdfIn PDF document text
    • http://anthonyvienna.com/sites/default/files/file/vekale.pdfIn PDF document text
    • https://www.peace4r.com/assets/admin_panel/js/kcfinder/upload/files/67359978396.pdfIn PDF document text
    • http://merten-antik.su/kcfinder/upload/files/94866004419.pdfIn PDF document text
    • https://orcasproje.com/userfiles/file/zumekepeporasozamadadivu.pdfIn PDF document text
    • http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/76726540049.pdfIn PDF document text
    • http://tiendanatacion.com/noticias/files/31090149585.pdfIn PDF document text
    • https://dgssu.com/upfolder/e/files/20220211055453.pdfIn PDF document text
    • http://tischlerei-schlusche.de/sites/default/files/file/18876865777.pdfIn PDF document text
    • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/c197d600900ef24d2a05946c099ae2aa/16415114289.pdfIn PDF document text
    • https://www.ekometal.com/kcfinder/upload/files/jorutikabojofemo.pdfIn PDF document text
    • https://xeroxexpres.cz/userfiles/file/93434246704.pdfIn PDF document text
    • https://eminencesolutions.in/resources/userfiles/file/potibirededobasikolode.pdfIn PDF document text
    • http://bwa.olsztyn.pl/bwa3/admin/kcfinder/upload/files/nadovoguzose.pdfIn PDF document text
    • http://josquin-capella.de/download/77171460142.pdfIn PDF document text
    • http://mamolenasnc.it/userfiles/files/likubo.pdfIn PDF document text
    • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/4d90ad1f917d876465d8c9c9e2dd8606/26546203995.pdfIn PDF document text
    • https://borsalino.ro/imagini_ws/8038233794.pdfIn PDF document text
    • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/st5cda0ipfkmjtuq9tegsboh82/89733437155.pdfIn PDF document text
    • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/f6u218oi2c2sihihbblg7i0tgu/jemubabinadeg.pdfIn PDF document text
    • https://wirut.co.za/XSRYdR1H?utm_term=chrome+44+updatePDF 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 extracted file (font_00_sfnt_off00036637.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00036637.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00036637.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36637 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00037d52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x37D52 17756 bytes
SHA-256: cf1f13477589a7c4ef0344d4ddefc5fb2ec89a12cf7062d0113a77cecd8f687b
font_02_sfnt_off0003aba0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3ABA0 10456 bytes
SHA-256: fd472984ab824da5124df1396ee273e810f7fcb942878396eedf16f6319667c3