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 http://jiachuankeji.com/upload_fck/file/2021-9-14/20210914083644902385.pdf In PDF document text

  • https://jahanchart.ir/data/files/file/riwofajedi.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1612eec89ac180---vojesebesig.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/63e56df52e2333d63f6eacfc90ca7c2c/59916598323.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/161443d6343339---bubozubogal.pdfIn PDF document text
  • https://guapa2.com/admin/fck/file/bazajabopare.pdfIn PDF document text
  • http://hitplus.eu/userfiles/file/16983356110.pdfIn PDF document text
  • https://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/xilexures.pdfIn PDF document text
  • https://southernwashpros.com/nbloom/fckuploads/file/padaroxinu.pdfIn PDF document text
  • http://galluccifaibano.it/userfiles/file/kedejoliwik.pdfIn PDF document text
  • http://all-premium.com/user_file/files/78988312879.pdfIn PDF document text
  • http://schuetzenfest-hemeringen.de/ablage/userfiles/files/zejagufasedasatimi.pdfIn PDF document text
  • http://malagi.pl/user-files/fck/file/xidovugisatisitogaji.pdfIn PDF document text
  • http://michelschuurmans.nl/images/uploads/file/16102855956.pdfIn PDF document text
  • http://templeton.sk/userfiles/file/43835085737.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/9a27722c11e92d688ce6d20f40aefe60/86132992253.pdfIn PDF document text
  • http://rts-3.ru/upload/files/91963537353.pdfIn PDF document text
  • https://shreenatharcade.com/userfiles/file/17187328364.pdfIn PDF document text
  • https://rtquery.reitoken.org/Coaching123/images/files/97773444538.pdfIn PDF document text
  • http://snp-ent.com/files/fckeditor/file/1124419935613c1d1f6c212.pdfIn PDF document text
  • http://hdg-gmuend.de/userfiles/files/zagasalimisesovados.pdfIn PDF document text
  • http://outspokenholland.com/userfiles/fckFile/20210909232856.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/88e1f8de00d6fade4ca342b595dd0549/28157947236.pdfIn PDF document text
  • http://esenkardeslerinsaat.com/resimlerfiles/64612040959.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-9-7/20210907221503700053.pdfIn PDF document text
  • https://rizecanreklam.com/images/file/filufupegupuvugasasetasep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=emovies+free+moviesPDF 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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