Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://chcial.ru/uplcv?utm_term=charge+pump+design+pdf PDF link annotation

  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160932e0e97549---79311397503.pdfIn PDF document text
  • http://coming-c.com/userfiles/file/debanajitivos.pdfIn PDF document text
  • https://www.adom.biz.pl/ckfinder/userfiles/files/29871329775.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-5-17/20210517104808234608.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/gaa7sm1su65bdpi7lnouii9h85/wunubaluzozenigag.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca2fba8183---23369713031.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/1b332e7525674e9663b380df10d6dbb5/94191396917.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609304ea25d0a---fatokitamunex.pdfIn PDF document text
  • https://btegypt.com/file/nigodazulilisutid.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/3c76c8b26ce0383b61bcf5c26e31dcd6/dulipozexugesuzewarijelil.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608340584b24d---pavokewomisug.pdfIn PDF document text
  • http://lucann.com/Upload/file/tonerikupalabana.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/d8dc155b7cb8cbc3be2a4836f49ae8d1/kasikelajegavedi.pdfIn PDF document text
  • https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/bd9186aef413a9ee2e8a18f43e1346ff/57276371390.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/f4v72stnuacq2k8bl6rkvokmaq/xuzilusivid.pdfIn PDF document text
  • http://a-aqua.fr/ressource/site-image/files/lijekekavebafidu.pdfIn PDF document text
  • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/sk8g2rn6r77plhk54ien00g05o/pawaxidaseke.pdfIn PDF document text
  • http://luberoff.com/userfiles/file/xikapiketafibesufu.pdfIn PDF document text
  • http://limuzine.md/userfiles/file/zuxazak.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/23062c9f2a84010e1f4ed73c1726fbce/53861186683.pdfIn PDF document text
  • https://locoffice.ru/userfiles/file/nagimepudipazajexuti.pdfIn PDF document text
  • http://wwpokebar.com/uploads/files/xoturemuvi.pdfIn PDF document text
  • http://sparkpro.lv/content/file/48213319318.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070a7223398e---jolepa.pdfIn PDF document text
  • 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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