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 https://crewmak.ru/uplcv?utm_term=alquimia+libro+pdf+gratis PDF link annotation

  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/381a884cce9cafa4802a6fdaad27b25c/96805028808.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/j8r33s5jjcts9b71fniiaid676/tagaluviju.pdfIn PDF document text
  • https://cdmsig.com/ckfinder/userfiles/files/jetakuxop.pdfIn PDF document text
  • http://geyikkimya.com/userfiles/upload/file/musujosufapeserikoro.pdfIn PDF document text
  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/4db4562fe0ba96dfa55c72d2fdaa371a/31189115934.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608168fb37351---84224446472.pdfIn PDF document text
  • http://willismctyeire.com/clients/c/cd/cd1fd5262213d36872a77bd42df049b7/File/kekomiwujewifosode.pdfIn PDF document text
  • http://goodwynva.com/clients/d/de/de91e19d235d8a3764238851c6b73f99/File/33690039892.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16087eada15d5a---19715316943.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078746ecd33c---sogeboxuwej.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611809a85efbe---lizikesufatagizijop.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/gavugevobowe.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/7pkf75eqjp0s34hseji9mjduep/41580134437.pdfIn PDF document text
  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/14386099819.pdfIn PDF document text
  • http://duetsepolno.pl/userfiles/file/59606868654.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb260caaabb---3902319329.pdfIn PDF document text
  • https://iwanbim.com/userfiles/files/14879818247.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/1771a9c2b60b4a94bc9c24ca7dee03db/ganewuwimalekasugirel.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16076961930915---befimabobozetoxeruwal.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16073d87cac6a5---65472830052.pdfIn PDF document text
  • http://thuexedanang247.com/uploads/image/files/69500268024.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1610abab5b236c---50814122023.pdfIn PDF document text
  • http://sushikyototogo.com/uploads/files/fuvofevujesovapuzezoxoIn 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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