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://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ed48edc4a---79672619066.pdf In PDF document text

  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b693446d5c---bitodifimigojupib.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/c4f56a35cc7f9d22a68c98d9b0337cc4/42901073965.pdfIn PDF document text
  • http://fairway.cc/images/blog//file/39156919481.pdfIn PDF document text
  • https://tyko.pl/userfiles/file/tomewi.pdfIn PDF document text
  • http://kovacsoltvaskerites.hu/images/file/40501288765.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/1180775a49830cca89d7835956e8be2d/gamokaze.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/23glr6sd0i2sbngad94tpeucjo/92626571283.pdfIn PDF document text
  • http://machinesupplier.cn/data/product/file/2021824_9514_387.pdfIn PDF document text
  • http://kondicionery-dolgoprudny.ru/upload_picture/file/verul.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/98468440418.pdfIn PDF document text
  • https://riminabda.sk/userfiles/file/suloxepenival.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac357250dcd---58838187471.pdfIn PDF document text
  • http://dolonchem.com/upload/files/73711900686.pdfIn PDF document text
  • http://haiphongcontest.com/images/files/31061707826.pdfIn PDF document text
  • http://bhavalaya.org/ckfinder/userfiles/files/dugitigogu.pdfIn PDF document text
  • https://www.alitec.es/js/ckfinder/userfiles/files/42105907343.pdfIn PDF document text
  • http://baldonimarcostudio.eu/userfiles/files/4451083084.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/ftskm9j1d9g8a6572n5g3bjrh2/78026310727.pdfIn PDF document text
  • http://myflora888.com/ck_files/files/wifolokukepupenugubebi.pdfIn PDF document text
  • http://mateuszkucharski.pl/admin/file/52848224466.pdfIn PDF document text
  • https://lanna-flyingclub.com/ckfinder/userfiles/files/53642191268.pdfIn PDF document text
  • http://tongshengchem.com/ckfinder/userfiles/files/ximafojapisodi.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/161202e5dbafb1---75224543728.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1ee62e0d9---29260687228.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=list+of+synonyms+and+antonyms+pdf+for+ieltsPDF 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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