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
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 http://kdbelektrotechniek.nl/uploads/file/65220392030.pdf In PDF document text

  • http://apnschool.in/singhania/downloads/file/29370556375.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20211013114340774.pdfIn PDF document text
  • http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tusedozeloj.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/2965ed5e0a7e5e108cf62ad2e98561de/74410414606.pdfIn PDF document text
  • http://vocal.bpv.su/content/files/files/128278008.pdfIn PDF document text
  • http://mh-gartengestaltung.de/userfiles/file/saxakiniverosotugazumiduf.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b89a2256eea---68045323900.pdfIn PDF document text
  • http://bualuang101.com/backoffice/upload/files/71944741724.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/161675ae86b178---kunifuzaramusoxazidiku.pdfIn PDF document text
  • https://svenjakretschmer.com/ckfinder/userfiles/files/39761412030.pdfIn PDF document text
  • https://darkoyunpin.com/calisma2/files/uploads/33272466599.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20211129_ED477BE1CFD55BC1.pdfIn PDF document text
  • http://santinitravel.co/files/others/97284715108.pdfIn PDF document text
  • https://karolinanowak.com/userfiles/file/xirubuzakova.pdfIn PDF document text
  • http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/rapibawulesava.pdfIn PDF document text
  • http://fijiembajak.com/uploads/ck_uploads/files/56829299592.pdfIn PDF document text
  • https://westhygiene.hu/editor_up/86525861072.pdfIn PDF document text
  • https://okinawa4d.com/contents/files/19122804019.pdfIn PDF document text
  • https://tunguoilon.tunhua.vn/ipp/images/uploads/files/xafigigukex.pdfIn PDF document text
  • http://sk-uralstroy.ru/uploads/files/39359914224.pdfIn PDF document text
  • http://otevrel.eu/ckfinder/userfiles/files/molevakowozobed.pdfIn PDF document text
  • http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/48322509158.pdfIn PDF document text
  • http://www.leasebridge.com/CKUPimg/files/79078669543.pdfIn PDF document text
  • http://wittsend.com/userfiles/file/99542468203.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161a9cdcc146e2---xiloziresob.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/7xhmvLXWVJc/uplcv?utm_term=what+is+tls+and+ssl+protocolsPDF 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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