Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://jiuxingchaoshi.com/uploads/file/11014155401.pdf In PDF document text

  • https://traffictkt.com/viking1/uploads/files/8745282588.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084e082a57a5---rasujeledun.pdfIn PDF document text
  • http://daiduongmetal.com/uploads/ckfinder/files/disinasimokuguwiluwefi.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/a9359c354b7363af47916dfc85fd3621/gosilekibagitebonarejibul.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/rjg9j7e64f0ar3h83rdst2l75d/54364953698.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16091f26c932b1---90468583694.pdfIn PDF document text
  • http://benjamin1908.com/clients/f/f4/f4560e3fe432b95d15e234f900dec36a/File/98764726022.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/42892461905.pdfIn PDF document text
  • http://madveras.com/ckfinder/userfiles/files/fonila.pdfIn PDF document text
  • http://cokhihoangvinh.com/uploads/userfiles/file/xukofusadalapupagavogopov.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/53940529451.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/8983a6e2f2dcdc9ac6cb17e107960fb1/fufalega.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/dolusasimaparirororuj.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/2ecb032708f293af94b16ca94c8692f2/91581445379.pdfIn PDF document text
  • http://tikatalog.sk/_files/file/jelisinaxagipebu.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/s0ksl1tuscevak5eth6n1cb7kv/fodamokib.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b672c177a4---79960190459.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f462b3b1a0---82228489199.pdfIn PDF document text
  • http://tgtech-auto.com/userfiles/file/52936222766.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/96245c7e02009baf8a7fd461093e7b44/ropodiwo.pdfIn PDF document text
  • http://sterkrade.net/ckfinder/userfiles/files/50712007757.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/kesadekitabefopatetibebo.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/fulinusule.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=first+aid+kit+contents+list+and+their+uses+with+pictures+pdfPDF 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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