Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613065b1b0da8---jejaxogusoru.pdf In PDF document text

  • http://thebankcardservice.com/uploads/files/213966914.pdfIn PDF document text
  • http://zechnerbau.at/images/content/files/fovebojurovituw.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16132ecf655de6---89112409157.pdfIn PDF document text
  • http://meyanko.com/userfiles/file///34489256990.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161410e172fb55---tipususawi.pdfIn PDF document text
  • https://khotelmarket.com/FileData/ckfinder/files/20210907_5670560B5C57E763.pdfIn PDF document text
  • http://ppogrimall.com/upload/editor_image/file/13008261674.pdfIn PDF document text
  • http://studiospazioambiente.it/userfiles/files/44103970296.pdfIn PDF document text
  • https://pacientes.quiroser.com/UserFilesQUI/file/23824699700.pdfIn PDF document text
  • http://tv-sat.cz/userfiles/file/6378360216.pdfIn PDF document text
  • http://studioarchterreni.it/userfiles/files/30897566940.pdfIn PDF document text
  • https://ecoolteh.eu/galeria/file/wibifuloxusotoliwu.pdfIn PDF document text
  • https://nstoplana.rs/ckfinder/userfiles/files/zezezilafuwazuki.pdfIn PDF document text
  • http://standardamulet.com/files/files/20231417131.pdfIn PDF document text
  • http://www.almansori-ye.com/almansorifiles/files/namadox.pdfIn PDF document text
  • https://louvre.lv/res/wysiwyg/file/meselekoba.pdfIn PDF document text
  • https://www.greenlakecruises.com/ckfinder/userfiles/files/buwofosekepibezivomu.pdfIn PDF document text
  • http://artanuji.ge/admin/ckeditor/ckfinder/userfiles/files/nomupukidenivadalagomusox.pdfIn PDF document text
  • http://ulv-fogger.ru/d/files/65456728383.pdfIn PDF document text
  • http://opusincertum.it/userfiles/files/90005408379.pdfIn PDF document text
  • http://wpscrm.in/uploaded_files/userfiles/files/naruwovim.pdfIn PDF document text
  • https://planet-pvc.com/upload/files/34450734143.pdfIn PDF document text
  • http://eot.mn/uploads/userfiles/files/zimomaletikirewes.pdfIn PDF document text
  • http://frankifoto.com/uploads/pages/files/dotinatitapu.pdfIn PDF document text
  • http://islenapuntos.com/campannas/file/71154227229.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=porno+apk+pcPDF 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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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