Malicious PDF — malware analysis report

Static analysis result for SHA-256 782a20c0fbc9bc46…

MALICIOUS

PDF

107.5 KB Created: 2021-10-08 19:17:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: de036f79ffb513e8e6ce5b969050f674 SHA-1: 2007615397c635fcb333b50dcd57b46765fee746 SHA-256: 782a20c0fbc9bc46fafea7a357be1435ad5a7a3e9f2cc1e0bc2872e8b63b88fa
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9881

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
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://cructi.ru/uplcv?utm_term=law+and+morality+in+jurisprudence+pdf PDF link annotation
    • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/he8m1iava6vae2kesae7con8mu/fixadubokezidaboguwin.pdfIn PDF document text
    • http://hnc2.com/userfiles/file/tanumogizedukitoxafo.pdfIn PDF document text
    • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615c78ddc2ea9---70155721949.pdfIn PDF document text
    • http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sedunu.pdfIn PDF document text
    • http://tokyosushilohaus.com/uploads/files/jozipumez.pdfIn PDF document text
    • http://em-mould.com/ckfinder/userfiles/files/62208481537.pdfIn PDF document text
    • https://cliniquemyo.com/userfiles/file/94347242259.pdfIn PDF document text
    • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614d7817ed63f---wiladigar.pdfIn PDF document text
    • http://ifap.it/images/file/58567837632.pdfIn PDF document text
    • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614900857391b---loboxijojoworebave.pdfIn PDF document text
    • https://felixtrail.com/imagini_ws/votilususujubonaxipi.pdfIn PDF document text
    • http://balie.overeembv-profielen.nl/upload/files/gusuvopipuzibawimewe.pdfIn PDF document text
    • https://fu-ko-property-agency.com/webroot/editor-uploads/files/29225288824.pdfIn PDF document text
    • http://splogservice.ru/content/file/vemozovo.pdfIn PDF document text
    • https://zemtechnika.lt/public/site/0files/lanazaxojuzikuzox.pdfIn PDF document text
    • http://metamorfoza-krosno.pl/userfiles/file/mavubogavovem.pdfIn PDF document text
    • http://spain-ex.com/images/blog/file/renebukiz.pdfIn PDF document text
    • http://31kouqiang.com/userfiles/file/1632168248.pdfIn PDF document text
    • http://seyrimerdin.com/userfiles/file/tasuva.pdfIn PDF document text
    • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161356a2304127---monadugujojovemesupab.pdfIn PDF document text
    • http://ibrahimalsada.com/pics/file/84800135098.pdfIn PDF document text
    • http://dade666.com/userfiles/202110file/2021100405563670554.pdfIn PDF document text
    • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/c0f3f522427be51443438117080c60f6/52608099369.pdfIn PDF document text
    • http://zerosquareonline.com/file/6664337421.pdfIn PDF document text
    • http://immodraft.nrw/images/architekten_agentur_images_/file/malezugun.pdfIn PDF document text
    • http://box8websites.com/ckfinder/userfiles/files/sikamusazufesibu.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 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_off00013414.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13414 22536 bytes
SHA-256: 65a4f1cee95792bf7291f7d21bd4ab7f533fd585c64277c384a5ead2b0631792
font_01_sfnt_off00016df5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16DF5 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001860c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1860C 11168 bytes
SHA-256: d38312ed87eb616950c102d039c1aee45e4ba2c031645527edd583dfd71047f9