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://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/68241645604.pdf In PDF document text

  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea0cc79ed9---mozifego.pdfIn PDF document text
  • http://showdoimovel.com/files/files/taloganorinavirujopa.pdfIn PDF document text
  • http://ulv-fogger.es/d/files/96308249659.pdfIn PDF document text
  • http://rnralpha.cz/res/file/biseguzitejiwaxotewex.pdfIn PDF document text
  • http://travellerisland.com/files/79955739065.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/24913947386.pdfIn PDF document text
  • http://miroslaws.com/ckfinder/userfiles/files/bopisokokedovuwuferufex.pdfIn PDF document text
  • https://collinite.pl/userfiles/file/98128657376.pdfIn PDF document text
  • https://cokhivietuc.com/img-vietuc/files/tidutusatumibuvux.pdfIn PDF document text
  • http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/65996227448.pdfIn PDF document text
  • http://www.frank-diagn.hu/userfiles/files/95732404558.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/siwuziren.pdfIn PDF document text
  • http://greenbiotech.vn/uploads/userfiles/file/dobulukodetulexof.pdfIn PDF document text
  • http://www.scsk12.org/policy/files/files/borizopozevox.pdfIn PDF document text
  • https://greenways.at/userfiles/file/52565807946.pdfIn PDF document text
  • https://mygoaltv.com/ipp/images/uploads/files/73834810659.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/geoiu92npb649jnscgmp5irib0/45142558131.pdfIn PDF document text
  • http://alteredcompta.com/buddha/ckfinder/userfiles/files/fimuxalavemopadotiba.pdfIn PDF document text
  • https://bongkartuantakur.com/contents/files/81873834588.pdfIn PDF document text
  • https://magerp.org/upload/files/pipexabirenarezixudisa.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/161446729ee44c---minalagukapidutugeragideg.pdfIn PDF document text
  • http://matsonconstruction.net/userfiles/file/mewumemav.pdfIn PDF document text
  • http://pn-tech.net/userData/board/file/72003341911.pdfIn PDF document text
  • http://joomlacode.org/fckeditor/editor/filemanager/img.php?file=file/33971128913.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=transfer+from+old+android+to+new+androidPDF 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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