Malicious PDF — malware analysis report

Heuristics 9

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://xedaptap.net/userfiles/file/rapulawisimapen.pdf

  • http://tatvideo.ru/ckfinder/userfiles/files/66141268800.pdf
  • https://daaeportrett.no/upload/file/teveba.pdf
  • http://greenflameenergy.com/userfiles/file/27046035527.pdf
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614061b47b218---lozuzofe.pdf
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/35013720890.pdf
  • http://arenabilardo.com/data/_files/21697457091.pdf
  • http://thanhnhomdinhhinh.net/uploads/files/gipalupemepadopotetitiku.pdf
  • http://gz-theoutfit.com/UploadFiles/FCKeditor/20210925205916.pdf
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/193050ebbe3df730b7291dd5b85b1fa3/48400067676.pdf
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/18333045485.pdf
  • https://quanghuydulich.vn/img_duhoc/files/45705374917.pdf
  • http://madmojo.com/fckupload/file/72574177814.pdf
  • https://weeb.nu/userfiles/file/pitewijimaviborewofe.pdf
  • http://ktcz.eu/files/files/15100911288.pdf
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/161446aca731cb---pirexozelosenidomuvex.pdf
  • http://www.nagsa.es/ckfinder/userfiles/files/fabininula.pdf
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613499a596ef7---43674013672.pdf
  • http://zs-oilfieldequip.ru/d/files/bikogudorakavosan.pdf
  • http://kag.fr/userfiles/file/xamidezolu.pdf
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/e8cd25d79fa46d8312254cfcbfeee17f/fubil.pdf
  • http://sakesushilakehavasu.com/uploads/files/lomoxamusibox.pdf
  • http://ez-surveying.com/htdocs/cljr/data/files/zujefudijik.pdf
  • https://icbacademy.com/upload/files/60964961515.pdf
  • http://playitdirect.ca/ckfinder/uploadfiles/files/21754277476.pdf
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=download+gta+6+for+android+full+apk+free
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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