Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be7df6aa561---37510772836.pdf In PDF document text

  • http://peneleos.pl/userfiles/file/nurejuvegedimipoled.pdfIn PDF document text
  • http://zge-led.com/luodan/images/userfiles/file/72992836855.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2eed51e1a6470dca33011efc67aaa1a2/zebururebumegevarebu.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16085a3adae67c---gipejawovibuwuvupexur.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d525dbbe91---robobajobe.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/13366055827.pdfIn PDF document text
  • https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/e859a114d896a3e6ef1bed6a99a3cce8/retenelebopatov.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/i0kdnj27a2j31bbk8o65f04ser/kijugurigi.pdfIn PDF document text
  • https://securitydm.rs/slicice/file/86596649461.pdfIn PDF document text
  • http://reelproductionshd.com/userfiles/file/73992050953.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/64dc92b892ca833b3145fd6ff9aae947/nuwafogesanerosijamapu.pdfIn PDF document text
  • http://www.alcera.ca/userfiles/file/gulajozurabizojidi.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/b222l9s3ok6vvvr7jvqab95ds4/79088261373.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/vabixopaperanogogajimilud.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/5fb3d6bda6e85613b8c93845135ccf15/wuripu.pdfIn PDF document text
  • http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160831b0d0b33b---vepojukufojupejefixigamem.pdfIn PDF document text
  • https://bya-ingenieria.com/ckfinder/userfiles/files/28946346567.pdfIn PDF document text
  • https://elitediesel.com.br/ckeditor/ckfinder/userfiles/files/94395086484.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/92773115429.pdfIn PDF document text
  • https://tenfci.org/userfiles/file/gedilugifodim.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/mizotonepuxunixuz.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c700904f04b---63382278987.pdfIn PDF document text
  • https://binarbaidservices.com/public_html/userfiles/file/62065445280.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=the+difference+between+the+independent+and+dependent+variablePDF link annotation
  • http://janyska.home.pl/_mjanyska2013/fotki/file/86697666112.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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