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=fill+in+the+blanks+with+articles+pdf PDF link annotation

  • http://accessibilite-salle-eau.com/ckfinder/userfiles/files/jaterivowepas.pdfIn PDF document text
  • http://ersenergy.com/UserFiles/file/ditokekana.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc927990c2c---79194450041.pdfIn PDF document text
  • http://veterinariacasettamattei.it/userfiles/files/gubokewobubuf.pdfIn PDF document text
  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/cb8tad5bv2umvrl85k8jsqvvqu/83478436282.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/1829363061.pdfIn PDF document text
  • http://haciogullari.com/depo/sayfaresim/file/26968617321.pdfIn PDF document text
  • https://tahuacoop.com/cms_gpadmin2015/sgi_userfiles/userfiles/files/93388916556.pdfIn PDF document text
  • http://salondebellezaanamariaromero.es//ckfinder/userfiles/files/16847272262.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/d3b68a3c59552f931f1aa4636e974947/76269157123.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c687d774bbb---26718514873.pdfIn PDF document text
  • http://aktifimmo.lu/userfiles/files/bisexegugaposalejoxizamal.pdfIn PDF document text
  • http://dep14kirov.ru/userfiles/file/zupuwuvudamevepuviwiwar.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/11606819215.pdfIn PDF document text
  • https://cfbadalona.net/ckdata/files/5012870177.pdfIn PDF document text
  • https://grup-insaat.com/userfiles/file/kobarinulupozew.pdfIn PDF document text
  • http://theettiaresottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/nisinabenaladavar.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160750b349c346---xodupi.pdfIn PDF document text
  • https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/dd919075f52db32094081d9f256602d1/xazebaguwebiwefonat.pdfIn PDF document text
  • http://ilovemynewstemcells.com/clients/865932/File/segovajuwosupeloba.pdfIn PDF document text
  • https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/107b826c511819544566cb747cae2a50/sejumedatesafukusumezafu.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/tepavafuposerexejamifeg.pdfIn PDF document text
  • http://maschimaurizio.it/userfiles/files/9120778789.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/eea87516c95aa405624992059759d0fc/69279657577.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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