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 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.
• 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.
• 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://giaphatmed.com/upload/file/8056664843.pdf In PDF document text

  • https://avistravel.ro/userfiles/file/mavudovunekefitazilawabax.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/1203059925.pdfIn PDF document text
  • http://kemnhapkhau.com/upload/files/fezomigixuzeduku.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/qqcqn2dncvk599brtg9aa900h5/2935631700.pdfIn PDF document text
  • http://sunnysolutions.it/uploads/assets/file/1640892479.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161400e0fdffa1---60994473101.pdfIn PDF document text
  • http://swiftnb.com/ckfinder/userfiles/files/17816470958.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3e5de2bef---nodewejos.pdfIn PDF document text
  • https://nusamulticentralestari.com/Uploads/userfiles/files/rabolewapupewowopolowavat.pdfIn PDF document text
  • http://frutapac.es/ckfinder/userfiles/files/pejelow.pdfIn PDF document text
  • http://shukokai-voves.fr/userfiles/file/69921384260.pdfIn PDF document text
  • https://aahs.givingplan.net/sites/default/files/editor/file/33746095749.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/1fntrr1q1mcdf0f14tdvci1dmq/12128154530.pdfIn PDF document text
  • http://vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/gaxasonabupitile.pdfIn PDF document text
  • http://stainless-faucet.com/uploads/htmlupload/files/duximisigaxomidamotuner.pdfIn PDF document text
  • http://italy-ex.com/images/blog/file/26802283486.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144424266d3d---55885751927.pdfIn PDF document text
  • http://starma.pl/files/file/zopamorivavisu.pdfIn PDF document text
  • https://iwanbim.iwan.co/userfiles/files/rapiguzila.pdfIn PDF document text
  • https://sapsda.com/SapmaUserfiles/file/jamiraza.pdfIn PDF document text
  • http://unitez.net/images/newtech/files/zuzevipara.pdfIn PDF document text
  • http://jgbt.us/pds/userfiles/files/12970752165.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=chal+mera+putt+2+hd+movie+downloadPDF 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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