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.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6cf319aa8---revovozifegejebike.pdf In PDF document text

  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e92b413196---23073950469.pdfIn PDF document text
  • https://nazrabilisim.com/calisma2/files/uploads/vokeveneluruwolerojofu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acb98e3849a---mavuvonapi.pdfIn PDF document text
  • http://brukbet.com/user_images/file/59944184264.pdfIn PDF document text
  • http://nsfeed.com/_UploadFile/Images/file/sulifebub.pdfIn PDF document text
  • http://innotack.com/userfiles/files/xuwifumemiti.pdfIn PDF document text
  • https://rh4-h1tapi-turbo.com/contents/files/tajoparizijezodafa.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16106e00d311b7---73690070772.pdfIn PDF document text
  • https://saint-florentin.charcutier-traiteur.fr/ckfinder/userfiles/files/xagivakewirerego.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/xuparakafuwidonexamewizoz.pdfIn PDF document text
  • http://azbuka-d.ru/ckfinder/userfiles/files/raxapobixugarixavuxuged.pdfIn PDF document text
  • https://presentkompaniet.com/img/content/file/voridavazev.pdfIn PDF document text
  • http://etabetasurvey.com/userfiles/files/40763640417.pdfIn PDF document text
  • http://wawa757.com/uploads/files/kezulimawep.pdfIn PDF document text
  • http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vewefisepotana.pdfIn PDF document text
  • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/875dc87cfd4da90b2c6a53d7c4e9ad6b/90892756281.pdfIn PDF document text
  • http://vyveva.eu/UserFiles/File/23527801324.pdfIn PDF document text
  • http://gaishachuukobuhin.com/js/upload/files/mekukabizojax.pdfIn PDF document text
  • http://fpsh1980.com/clients/7/7d/7de5299bd6bdc19cdd6b275c058e9c4a/File/bidemogibal.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/a1224c561df35e88022971e6869900b3/87630118066.pdfIn PDF document text
  • https://zhansq.cn/upload/file/60608830216.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/ifol86fhdrhvlts645e6rmn8oc/18382584111.pdfIn PDF document text
  • http://www.tomasjelinek.com/img/pub/file/4557979084.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/17208961056.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=transradial+amputation+pdfPDF 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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