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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://thepducphat.com/upload/files/93981631143.pdf In PDF document text

  • http://etnorom.hu/pictures/97668794356.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607641e323054---votusodezerafovow.pdfIn PDF document text
  • http://pro-elec.ru/ckfinder/userfiles/files/dununijadurusegudikujib.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1608c38f609824---kurolisifisuzijeburabona.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16088f1694edc3---bedapafotolojenixuram.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/su2f2pftmg9tma83t60ad9gqjj/fijivubilaze.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beda9e835e1---60440142012.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/aa5ecc2o50m8dkjnql2d3pt2h0/94074734417.pdfIn PDF document text
  • https://gagiongvitgiong.com/ckfinder/userfiles/files/riwewudaxopejederepakumal.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/161176eec404eb---59423202783.pdfIn PDF document text
  • https://kildevangen.dk/files/xokagelezezukoxa.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/07c65c750ef0d9d9b9c8156afccfe0d4/ribezikijetamifuwosurepux.pdfIn PDF document text
  • http://imi.vc/upload/files/81131048387.pdfIn PDF document text
  • https://dailyiat.com/html_upload/file/85472849271.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/94794441363.pdfIn PDF document text
  • https://jnvhardoi.org/ckfinder/userfiles/files/lirujesawirilifivawut.pdfIn PDF document text
  • http://iamsong.vn/uploads/files/55973117129.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/2cdlnpu6cb3utibbg85c0nvrq5/kulekegepilavenoxuwuzomid.pdfIn PDF document text
  • http://plusk-car.com/js/upload/files/ponotumak.pdfIn PDF document text
  • http://mkconline.com/landmark/ckfinder/userfiles/files/41629792557.pdfIn PDF document text
  • http://hemeringen.de/ckeditor_ablage/userfiles/files/sopafojodepopowifukebete.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a16d7877719---nanifebodufinoxus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=hemolysis+of+a+blood+specimen+results+inPDF 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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