Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b677aec2432e354…

MALICIOUS

PDF

381.2 KB Created: 2022-01-29 02:46:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 3046e02a70fb1dd54831438f56290a22 SHA-1: 0d80d69e58dd05780212a76c97a37db35caaa8f2 SHA-256: 2b677aec2432e35430ec0ed6dc13801688331b767aa52d2ff52bdd702edecc5e
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5194

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://wirut.co.za/XSRYdR1H?utm_term=estrategias+de+afrontamiento+para+el+estres+pdf PDF link annotation
    • http://33podarka.ru/pictures/files/84629756986.pdfIn PDF document text
    • http://donghobaoan.com/uploads/files/77471711521.pdfIn PDF document text
    • https://www.madenisg.org.tr/kcfinder/upload/files/1835050805.pdfIn PDF document text
    • https://spyboarcams.com/files/gifarubazunuw.pdfIn PDF document text
    • http://etkenkalip.com/files/kisanij.pdfIn PDF document text
    • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ade43643acc---88625831442.pdfIn PDF document text
    • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/471a0rvl4ggi6fkl4p5vlcqkd5/jetefovepapogofij.pdfIn PDF document text
    • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/2b9aae12becaa37509f75e396f252139/56496943062.pdfIn PDF document text
    • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1618b63ef7e87a---sakebefukidaxisoz.pdfIn PDF document text
    • http://srsheicha.com/uploadfile/file/fiwubuzonivos.pdfIn PDF document text
    • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/e2abf611fcd4008d4db421593691be1f/74555456244.pdfIn PDF document text
    • http://studioscoponi.eu/userfiles/files/26794250875.pdfIn PDF document text
    • http://rfinshaat.az/userfiles/file/koxife.pdfIn PDF document text
    • http://salman-group.com/userfiles/file/68267979470.pdfIn PDF document text
    • https://artesapanaderia.xyz/aym_image/files/84346203564.pdfIn PDF document text
    • http://teknis.it/userfiles/files/68507486705.pdfIn PDF document text
    • https://whereestar.com/marinarubicon/admin/file/gotifakuxadidulokibek.pdfIn PDF document text
    • http://zzset.com/userfiles/file/20211206043053_vmkotj.pdfIn PDF document text
    • https://cylinder96.ru/admin/ckfinder/userfiles/files/tetunulojefazugadawot.pdfIn PDF document text
    • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614128c9dfd9b---81989740328.pdfIn PDF document text
    • https://argumentua.com/i/file/59413924135.pdfIn PDF document text
    • http://gldbirdgel.com/user_img/files/vominuwaliperitanurokabul.pdfIn PDF document text
    • http://geyikkimya.com/userfiles/upload/file/mamegepemata.pdfIn PDF document text
    • http://kadh.kr/bobod/upload/file/situsogixo.pdfIn PDF document text
    • https://p-yanagase.gorakuou.net/blog/upimg/lowativuzenizase.pdfIn PDF document text
    • http://kimhoatra.com/upload/fckimagesfile/wamozota.pdfIn PDF document text
    • https://imagebrandstudio.com/userfiles/file/92679967218.pdfIn PDF document text
    • http://www.gyndoktors.de/ckfinder/userfiles/files/jogurilenadiwuxobuza.pdfIn PDF document text
    • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135886fe483e---98334358225.pdfIn PDF document text
    • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616569c737646---21731263886.pdfIn PDF document text
    • http://robfredo.com/userfiles/file/62729580631.pdfIn PDF document text
    • http://ysmenmidwestindia.org/uploads/userfiles/file/file/koguboxegorobaworaviniwi.pdfIn PDF document text
    • https://uleshuzatabc.hu/files/file/69249555400.pdfIn PDF document text
    • http://clinicaveterinariacittadivignola.com/userfiles/files/6015350583.pdfIn PDF document text
    • https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/25906476891.pdfIn PDF document text
    • https://www.italianamaterassi.it/admin/kcfinder/upload/files/zosipukidujasomiro.pdfIn PDF document text
    • http://www.colfacor.org.ar/administrador_web/kcfinder/upload/files/17487917085.pdfIn PDF document text
    • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/ggo1sp5o9vmo0uir8m5r9qe5c0/gunenarulujaxigipuvur.pdfIn PDF document text
    • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/161c87c62b5f02---fazuliw.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_off000586c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x586C6 18156 bytes
SHA-256: 99d2ce2b46ad9dedc7485bce18f5db448541c4f34a4da80b396e1d385580084b
font_01_sfnt_off0005b4fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B4FC 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0005cba0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CBA0 10824 bytes
SHA-256: feb6b4f92cc5cd2478c63bae23ea706c552d5a77d9d0fd5d9759a8e0788d2164

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