Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://inwebjor.ru/uplcv?utm_term=afro+cuban+percussion PDF link annotation

  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160806189b6a14---lofavojipidepeniwixi.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/20d037e308f3dfdf6bf89648fcfe2c5e/89325363582.pdfIn PDF document text
  • http://jr.ac.th/ckfinder/userfiles/files/nipele.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1608041e6c9fda---76733564216.pdfIn PDF document text
  • https://visualmotion.nl/uploads/file/23332823482.pdfIn PDF document text
  • https://tabularasa.lv/sites/tabularasa/uploads/documents/files/90962668472.pdfIn PDF document text
  • http://houselandia.ru/files/15328785516.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/b0b21fb0e15b15e20b839fea86199101/92380371693.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/6d6acd42bdd545f8c1e4d445005dcc24/repesixavina.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/9d9dc3f667a50d8d87ed5aaee8c3dc7a/15718745888.pdfIn PDF document text
  • https://btcauction.vn/hinhanh/file/lagiruvar.pdfIn PDF document text
  • https://belhasasecurity.com/userfiles/file/lumubifofixoxasupe.pdfIn PDF document text
  • https://nezrenpin.com/calisma2/files/uploads/moxasipeluf.pdfIn PDF document text
  • http://eventcompany.org/clients/e/e3/e30ef11cf4efe639fe6592aa37b9cb94/File/5047273399.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b3434835e25---bumokatozasixodujesavuke.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/7708254465.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e8d6c1f05---44180958688.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a97cae3b9e0---tomapajusi.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae0c1db17c1---gaxakefej.pdfPDF link annotation
  • http://gocep.org/data/userfiles/files/tisuvazupizodakifumibowon.pdfIn PDF document text
  • http://flemingfamilies.org/clients/8/8a/8af36a28baf44bfc7b8a7004fb4eaede/File/38837449830.pdfIn PDF document text
  • http://m4klynchburg.org/clients/3/34/34420611de4c9c7593cf5e5fe12de6df/File/20716438329.pdfIn PDF document text
  • http://satyamtracparts.com/userfiles/file/5357308637.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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