Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed3c17937c38150c…

MALICIOUS

PDF

456.2 KB Created: 2022-03-18 21:53:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-07
MD5: 21f0b35882d6dca3db91a4335f18e98a SHA-1: 6502fb2a56e719134aa4a2bdeecacb55a9b70766 SHA-256: ed3c17937c38150c7ca542ac5b17a5fdf50f09516a1d252dcb8210af397c1a96
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5742

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://herbier.musee-oberlin.com/img_db/muxojatavaripij.pdf In PDF document text
    • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16220539cd6128---22175875415.pdfIn PDF document text
    • http://www.tecnobor.es/ckfinder/userfiles/files/validedujoforadenetutepan.pdfIn PDF document text
    • http://zrdb-drogbud.pl/Upload/file/bowapeze.pdfIn PDF document text
    • https://djennebeads.com/nbloom/fckuploads/file/nelibuzozelafijijuwu.pdfIn PDF document text
    • https://cnc-ar.ro/files/file/wororumadoluraf.pdfIn PDF document text
    • https://ans5680.preneed91.com/upload/files/7229067009.pdfIn PDF document text
    • http://budapesticukraszdak.hu/userfiles/files/3133626773.pdfIn PDF document text
    • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/dda1e766ff96ab841ffbfbc0185d630b/badukubuwosuwajodadanam.pdfIn PDF document text
    • http://mikllc.mn/uploads/files/tuzigusa.pdfIn PDF document text
    • http://baby-daycare.com/uploads/files/202202050551418579.pdfIn PDF document text
    • http://www.anespo.pt/sgc/Assets/Plugins/CKEditor/kcfinder/Uploads/files/18984463595.pdfIn PDF document text
    • http://iks.premoweb2.at/userfiles/file/47689750584.pdfIn PDF document text
    • http://lohoithaiduong.com/uploads/files/jofajurir.pdfIn PDF document text
    • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1621ae65123a96---belakeladaloru.pdfIn PDF document text
    • https://www.iccis20.scrs.in/kcfinder/upload/files/57759278057.pdfIn PDF document text
    • http://orlickachata.cz/files/files/75682317504.pdfIn PDF document text
    • http://skiflogistics.ru/userfiles/file/354661293.pdfIn PDF document text
    • http://centrodebridge.pt/ckeditor/kcfinder/upload/files/motolofisimap.pdfIn PDF document text
    • http://autowagon.it/userfiles/files/tokerefazunuludat.pdfIn PDF document text
    • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/dbb927e167d3f9f57d94d089afa1e2ec/41239879484.pdfIn PDF document text
    • http://flygarfield.net/userfiles/file/28688340454.pdfIn PDF document text
    • http://st03.it/userfiles/files/86122925728.pdfIn PDF document text
    • http://wefocusdesign.com/upload/files/nikax.pdfIn PDF document text
    • https://www.twibiotech.com/plugin/ce1/ckfinder/userfiles/files/84895714152.pdfIn PDF document text
    • https://forssah.co/userfiles/file/86906434548.pdfIn PDF document text
    • http://pinboulevard.com/file_space/files/fajosefudoposojajorapo.pdfIn PDF document text
    • http://smartbazar.online/app/webroot/upload/files/17186434742.pdfIn PDF document text
    • http://gugugroup.com/userfiles/kewofetulizunolibu.pdfIn PDF document text
    • https://arbormaster.us/uploads/files/kuregumikenadaginenekezik.pdfIn PDF document text
    • http://lexprikson.com/admin/style/images/userfiles/file/79000317335.pdfIn PDF document text
    • http://mbnlpc.com/assets/admin/ckeditor/kcfinder/upload/files/vanupizikiribilupumor.pdfIn PDF document text
    • https://norin.co.za/XSRYdR1H?utm_term=charge+off+on+credit+report+meansPDF 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_off0006b4a9.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0006b4a9.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0006b4a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B4A9 17120 bytes
SHA-256: 5bee2f59c7e727447fea3dc035401f31d9c4a39f6d1c2f6e2f10bc1533c93bb3
font_01_sfnt_off0006e0ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E0EA 11052 bytes
SHA-256: e49a1d738b5bf7db888f4bf02aac3944590e6878542243203871841e5fd32fb7
font_02_sfnt_off0006fa53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FA53 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9