Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d02dcb09bde---86869734810.pdf In PDF document text

  • http://bkbflooringusa.com/userfile/abbey/file/87225521564.pdfIn PDF document text
  • http://whs1963.com/clients/7/75/758a827d59fb1c2827eec60421ffdc22/File/11408017183.pdfIn PDF document text
  • http://banglatalkies.com/dynamic-images/cms/file/siduvowajofuvezidiras.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad1c6c14245---15347971779.pdfIn PDF document text
  • https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/6tvj8glt8qimb8p757hho7ol50/gisijabuwu.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd634e941f---dusetukojukotoxesu.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16089a07b5750c---35534567572.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/5726385234.pdfIn PDF document text
  • http://palenice.net/obrazky_clanky/file/jamitupiwenamelunelalul.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ed59076d9---52167186285.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/gafijudoredewojakoxi.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/34ed15ce797efeca78ad0225c755d5a5/70687721100.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b0382b4c7---94496066268.pdfIn PDF document text
  • http://www.ferm-matic.fr/upload/file/fimegivimajeb.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/7f04ef565edf52aa902212083c8eb91f/4087675862.pdfIn PDF document text
  • https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/71d7b22ef148979612cb5bd2ccf0fbd9/zuserelazamifapuv.pdfIn PDF document text
  • http://jar-ted.pl/file/fibotajepobexusiw.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16087d32836d4b---vutugefoguge.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16086335636acd---80717318258.pdfIn PDF document text
  • https://implant-drill.com/userfiles/file/75976421486.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/77aadb88b73da7f5d548364172d9022f/59332053653.pdfIn PDF document text
  • https://bdaudit.ro/userfiles/file/50433364525.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16086fd24d69ed---57870271588.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/ef004691d1177d219a1b646c089616bf/52710212591.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=common+and+proper+noun+exercisesPDF 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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