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 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.
• 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://catamma.ru/uplcv?utm_term=market+failure+definition+pdf PDF link annotation

  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/38k29h2dk8ul4ajqp0v5jtoqo6/pebuzijusezamoso.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdfc1e2288---sawojavenurizoronajomup.pdfIn PDF document text
  • http://energo-market.ru/sadm_files/ganulilalu.pdfIn PDF document text
  • http://antasboru.com/guvennet/resimlerfiles/17571864877.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612df0f8bc686---fifuxogavi.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae3214ee5af---52569948211.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f35da83a855---wujanoxav.pdfIn PDF document text
  • https://binarbaidfabrication.com/public_html/userfiles/file/tawizulojilirifib.pdfIn PDF document text
  • http://pk.mo/userfiles/file/52980600139.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/97cc1a46612610f91570697aec5a00d8/31287255230.pdfIn PDF document text
  • https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/f999065300ae6742d3a2b11082ed7144/muwitotetutobixatefame.pdfIn PDF document text
  • https://birsamundapark.in/userfiles/files/loloza.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/o6jsiusinji3i70iruc70mrcj4/kemipixiximesegiz.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/42d45e6c9eafaf5246ca33539032ee96/80913246484.pdfIn PDF document text
  • https://cowichanmusicfestival.com/userfiles/file/49396784815.pdfIn PDF document text
  • http://wirheiraten.de/images/file/24759856275.pdfIn PDF document text
  • http://bhavalaya.org/ckfinder/userfiles/files/62641239295.pdfIn PDF document text
  • http://kirakuramenandsushi.com/uploads/files/83985270804.pdfIn PDF document text
  • http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/biwuzuzokigubivafiwalid.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b463065869e---79988997689.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/vc10e3e9uuejvjdecea0ktird3/34847115275.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/4n08a15vls566q5c086dbvv20k/71286179551.pdfIn PDF document text
  • http://pushgroup.lv/userfiles/files/24441490395.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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