Malicious PDF — malware analysis report

Static analysis result for SHA-256 26f27996093b549f…

MALICIOUS

PDF

223.1 KB Created: 2022-02-02 10:57:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-18
MD5: fbf437f35434bc9815799d121babe622 SHA-1: 623bf81ffc4b6a19eab996c2727ab5ecb64a0965 SHA-256: 26f27996093b549f16f6beb208e6acb8e5597c6400ed80761defc58aabd32477
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7434

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 https://loheb.co.za/XSRYdR1H?utm_term=milady+chapter+1+review+questions+answers PDF link annotation
    • http://zenhowell.com/upload/file/norasakazisobofo.pdfIn PDF document text
    • https://alcc.c-zentrix.com/ALCC/mail_attachments/multitenant-ws-01/1/1636910369.pdfIn PDF document text
    • http://objets.immoweiss.lu/userfiles/files/sumojidimojodobuler.pdfIn PDF document text
    • http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/zijegarago.pdfIn PDF document text
    • https://dogudokum.com.tr/panel/kcfinder/upload/files/9848683596.pdfIn PDF document text
    • https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/8998210987.pdfIn PDF document text
    • https://siroyensao.com/upload/files/duxuzupita.pdfIn PDF document text
    • http://marsanz.pl/uploads/fck/file/linejupepadifavajenivema.pdfIn PDF document text
    • http://ahdongjiu.com/upload_fck/file/2021-7-1/20210701200811765464.pdfIn PDF document text
    • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/889cl9bokrpgrtumavlfbd9qbs/10798033474.pdfIn PDF document text
    • https://postelezmasivu-praha.cz/ckfinder/userfiles/files/13765218494.pdfIn PDF document text
    • http://turagent007.ru/userfiles/file/tedurexevesawidowinor.pdfIn PDF document text
    • https://tylbm.com/Upload/ckeditor/files/jokemobinorovexulunuwa.pdfIn PDF document text
    • https://olafree.gr/admin/images/nopikotosepev.pdfIn PDF document text
    • http://bebsulmare.com/userfiles/files/39851992820.pdfIn PDF document text
    • https://branpc.in/ckfinder/userfiles/files/zusifabetuwewexesezuxo.pdfIn PDF document text
    • http://arsvet.ru/img/upload/zokozanazibirorili.pdfIn PDF document text
    • http://vinczeandlaszlo.com/upload/26428117395.pdfIn PDF document text
    • http://ongnuocdenhat.com/upload/files/zizufominudi.pdfIn PDF document text
    • http://hanleyresources.com/images/66487848251.pdfIn PDF document text
    • https://cheeselicious.net/UserFiles/file/20097662487.pdfIn PDF document text
    • http://senvietsystem.com/ckeditor/upload/files/fojilifu.pdfIn PDF document text
    • http://gayaarchi.com/userfiles/file/20210716125534.pdfIn PDF document text
    • http://rs-entp.com/upload/file/pilelibavosazumowi.pdfIn PDF document text
    • http://cssh.es/img/file/bozejamegowe.pdfIn PDF document text
    • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/pdvemnr34mdd1u047rjnm657c4/wiparezawuzenad.pdfIn PDF document text
    • https://aymsoft.us/aym_image/files/52869640954.pdfIn PDF document text
    • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/161a870ca5d5de---47591432427.pdfIn PDF document text
    • http://ateliergermain.org/sites/default/files/file/mupozedapikaxojaka.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.netIn extracted file (font_00_sfnt_off0003118a.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0003118a.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003118a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3118A 16504 bytes
SHA-256: 7ef57011975e7b5c61916acbedf5a2e719351f74efdc16f533a7e3944a2d6fa0
font_01_sfnt_off00033bed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33BED 11168 bytes
SHA-256: ae3e03886e3c837ec3da971f07d0ef6b58e163cc746b315dc6e907adf4a3b425
font_02_sfnt_off000355e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x355E2 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9