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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://garglob.ru/uplcv?utm_term=android+clear+cache+automatically PDF link annotation

  • https://xn--z4qq44i.tw/upload/actfiles/35307338669.pdfIn PDF document text
  • http://bayernglobal.de/userVZ/file/ranorawowosujufadamuxek.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/15educ1u5thl8q47e0avbmd6qo/82142314758.pdfIn PDF document text
  • http://istihdamhaberleri.com/upload/ckfinder/files/vupumajilopumowumuxos.pdfIn PDF document text
  • https://regiefranchet.fr/userfiles/files/10794734840.pdfIn PDF document text
  • https://casaalu.com/luutru/files/29387155801.pdfIn PDF document text
  • http://anthonyjcincottalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bupape.pdfIn PDF document text
  • http://wellfoto.cz/pictures/files/guxezolerutixorefodusugog.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130aaa4b36ae---34117428712.pdfIn PDF document text
  • https://hensuyenpqa.traigiongthuha.com/ckfinder/userfiles/files/5440880300.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/n2cfnq4nvpden31i43ekqh6c4t/53946369837.pdfIn PDF document text
  • http://swapnakoodu.com/fck_uploads/file/45582315918.pdfIn PDF document text
  • http://cnsgafgl.netsociality.com/upload/files/vivumowabeziler.pdfIn PDF document text
  • http://ofitecnic.es/files.ofitecnic/fck_up/file/nidodamudeganetilu.pdfIn PDF document text
  • https://technoarc.net/userfiles/file/dunigulofidubadiluno.pdfIn PDF document text
  • https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/6922888105.pdfIn PDF document text
  • https://quangcaowebsite.xemlaco.com/uploads/files/54985579851.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/aadd2rkr4r8qjneb2gcqr9refr/82019491415.pdfIn PDF document text
  • http://speckrepeg.by/UserFiles/files/zegigibedewobazorijeto.pdfIn PDF document text
  • http://ducthanhtam.com/uploads/userfiles/file/57062603017.pdfIn PDF document text
  • https://szallas-karpatalja.com/upload/jivaporeregugewim.pdfIn PDF document text
  • https://editions-tlp.fr/ckfinder/userfiles/files/99152467392.pdfIn PDF document text
  • http://matras-devison.com/upload/file/5405935999.pdfIn PDF document text
  • http://palletgoanloi.com/img-dn/files/5943156077.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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