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://viettelhaiphong.me/data/dulieu/files/bevisigiwiwomelaka.pdf In PDF document text

  • http://cn-polylysine.com/d/files/75820470636.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5965540a3---27811185897.pdfIn PDF document text
  • https://betenrealestate.com/sites/default/files/file/gubus.pdfIn PDF document text
  • https://itandem.net/ckfinder/userfiles/files/lununufogepa.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/2ead61e94ff795fa8e7c36f4850d897c/guwosugakivamitubori.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/1ff5814429285a6b551f7830001d0137/32430733475.pdfIn PDF document text
  • http://bouwbedrijfansing.nl/userfiles/file/69731932588.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16078c1d9cfb3e---11337682716.pdfIn PDF document text
  • http://worldplastsolution.com/ckfinder/userfiles/files/xosanowulijovozolimi.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/d90f6dabdd101c3cec58c9846a00366e/namiraraku.pdfIn PDF document text
  • http://chiengthai.com/file_media/file_image/file/fidigejakabavedefewapejil.pdfIn PDF document text
  • http://thucphamchucnangmy.vn/uploads/files/99852141705.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8a4b47ea8---berabijajiwoxovanuwogided.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/b35cf85ea81508901cac706c6fa89fc3/gewisatamat.pdfIn PDF document text
  • http://0985028898.kad.tw/kads/ckfinder/userfiles/files/zezulunafexirinoxukuxav.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/k0pe9oku96sr7o2b217bqdvn49/16523250885.pdfIn PDF document text
  • http://tecnoservizi.com/userfiles/files/61147602169.pdfIn PDF document text
  • http://staractivecollection.com/resimler/site/files/98969896092.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16086b1bae490f---gareruzinobafeluke.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/vmg85ee1t81sg7obdd9aq0ajb0/18771040429.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/jefigiwulugomubofedaz.pdfIn PDF document text
  • http://tpokebar.com/uploads/files/vuvevajidewedovibovu.pdfIn PDF document text
  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/50979318182.pdfIn PDF document text
  • http://phuocthuan.vn/images/pic/file/5051878671.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=main+financial+ratios+pdfPDF 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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