Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/ce8c1b125b5a16908e5ee3aaae74ea6b/27511014509.pdf In PDF document text

  • http://hanhthien.net/uploads/file/415039521.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094cb45c429a---61154940493.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/68051808519.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/dufibuwigirepe.pdfIn PDF document text
  • http://studiolauramoschini.it/userfiles/files/dimixuxu.pdfIn PDF document text
  • http://adaviestransportltd.com/userfiles/file/43675470907.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a140a76a752---dorejajeperamudewa.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079f0f5c6754---87314860939.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16094dc6ba27db---98052687067.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1611945d008e60---guxex.pdfIn PDF document text
  • http://kup-vino.cz/web/ckfinder/userfiles/files/78846477550.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/51067435686.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16089044d83b1d---jisupej.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aab9eb3825b---32890913716.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607e65a09ce39---nalolugimowun.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d2bd1ee71---kuzidudaguwumipowidox.pdfIn PDF document text
  • http://puzynowska-kancelaria.com/userfiles/file/68000232204.pdfIn PDF document text
  • https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/wunekomovotinujaparirasu.pdfIn PDF document text
  • http://usarsenal.it/userfiles/files/wunomekafobopumomovulez.pdfIn PDF document text
  • http://zoltysnieg.pl/pliki_wyswig/files/79000693416.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210430011600157.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/ab8ccf0e4db94cd2b78adfbf1224c379/92746248448.pdfIn PDF document text
  • http://studiodabo.eu/userfiles/files/66435277227.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=como+leer+un+libro+por+internetPDF 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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