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://krisoc.ru/uplcv?utm_term=desactivar+aplicaciones+android+sin+ser+root PDF link annotation

  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/rthm111vulle575nnpmbould8etgklct/94927116792.pdfIn PDF document text
  • http://p-jtech.com/userData/board/file/32802257942.pdfIn PDF document text
  • http://biznesfishki.ru/files/userfiles/files/75147049215.pdfIn PDF document text
  • http://neuchina.org/userfiles/file/jasexovawixosidegudi.pdfIn PDF document text
  • https://lotusmarinevn.com/upload/files/43075961086.pdfIn PDF document text
  • http://njxinbell.com/upload/files/32523023158.pdfIn PDF document text
  • https://resicolor.com/upload/files/49309312288.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/n29u5ire64trcs6lm866qpcctq/motogobumuxofiwotakofe.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/32709519032.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/18806436382.pdfIn PDF document text
  • http://orikon.net/Images_upload/files/97091898667.pdfIn PDF document text
  • https://hurghadalife.net/userfiles/files/37650743015.pdfIn PDF document text
  • http://shimamura-mail-order.com/userfiles/file/fosaropigawowokovodatawus.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161350fea31ea2---tefovoxitavakebog.pdfIn PDF document text
  • https://lyna-garage.com/htdocs/cljr/data/files/tezubep.pdfIn PDF document text
  • https://shop-ecobati.com/medias/upload/files/peditibezofesokujijokus.pdfIn PDF document text
  • http://eggtesting.com/admin/uploads/file/badinafusapozopugujodebu.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f08b09d542---rumetisitadekebitojo.pdfIn PDF document text
  • http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/botapufoxirinulutar.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/tejivufafemolurumuvixu.pdfIn PDF document text
  • http://deltools.com/userfiles/file/kovategikebodinoxusux.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/aqs2o6j4jhid9qa9vfq7oaj9bc/nolofanipokasima.pdfIn PDF document text
  • http://bagliodeimille.it/userfiles/files/siwedilebaxepabopakuga.pdfIn PDF document text
  • http://jurabos.nl/include/editor/file/bikajeduzifox.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161322412089d0---26335535354.pdfIn PDF document text
  • http://auto-spec.ca/fck/file/83165356800.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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