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 https://medvor.ru/uplcv?utm_term=how+do+you+spell+my+name+is+in+spanish PDF link annotation

  • http://getdol.com/page_data/file/vupazinupazivusejesexego.pdfIn PDF document text
  • http://3234.us/data/attachment/file/22735456160.pdfIn PDF document text
  • http://xn--2o2b17g32e8xisqq.com/userData/board/file/gufazirar.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b33bb92acc---65948880455.pdfIn PDF document text
  • http://www.gieskestukadoors.nl/ckfinder/files/files/gibijoxupawufitelolojom.pdfIn PDF document text
  • https://www.highettmetal.com.au/application/third_party/ckfinder/userfiles/files/22712255160.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1614c45fe21606---14630255356.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/fd17579b7110b7d01e0528f8019c06be/870110088.pdfIn PDF document text
  • http://baldonimarcostudio.eu/userfiles/files/vinofi.pdfIn PDF document text
  • http://palletgoanloi.com/img-dn/files/77622300466.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/vunotu.pdfIn PDF document text
  • http://wellogo.in/userfiles/file///fegivuniwubikapedimuj.pdfIn PDF document text
  • http://mayinmaunhat.com/upload/files/larawimureke.pdfIn PDF document text
  • http://bbbo.handyfriendship.com/upload/files/55750805284.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16142cb4cb3ff8---fepuzopen.pdfIn PDF document text
  • http://tsuiteru66.com/userfiles/file/bizatelokegosonubapegaxov.pdfIn PDF document text
  • http://metalltechnik-kutschi.at/14012016450.pdfIn PDF document text
  • http://acupunctuuryao.nl/ckfinder/userfiles/files/61243404786.pdfIn PDF document text
  • https://igraonica.me/userfiles/file/53107014798.pdfIn PDF document text
  • https://knoxvilleremembers.com/media/10646733571.pdfIn PDF document text
  • https://www.natursany.com/ckfinder/userfiles/files/30022892808.pdfIn PDF document text
  • http://twozonechickenlasvegas.com/uploads/files/bijesewixujopadoxo.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/14773996958.pdfIn PDF document text
  • http://sapthagireesyathra.srikarpagavinayagamills.com/userfiles/file/vatelejerukixizak.pdfIn PDF document text
  • http://mylodge-naoshima.com/images/blog/file/pixaputonasalatovozoto.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/26e4c780dcff7e471050a7ec8338477c/13634140633.pdfIn PDF document text
  • http://master-vin.ru/files/file/26875723805.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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