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.
• 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://catamma.ru/uplcv?utm_term=tema+yowhatsapp+iphone PDF link annotation

  • http://thepokewave.com/uploads/files/17083309342.pdfIn PDF document text
  • http://hyundaihungthinh.com/uploads/images/files/14137066655.pdfIn PDF document text
  • http://sntaviator.ru/ckfinder/userfiles/files/96334916233.pdfIn PDF document text
  • http://clinton.abwingsmd.com/uploads/files/31266907739.pdfIn PDF document text
  • http://impactpluslearning.com/ckfinder/userfiles/files/77607611140.pdfIn PDF document text
  • http://studiofranzoni.eu/userfiles/files/mudib.pdfIn PDF document text
  • https://dcicz.org/userfiles/file/zijazu.pdfIn PDF document text
  • http://orlickachata.cz/files/files/gamuzimizopufifexotimivom.pdfIn PDF document text
  • https://grootformaatspandoeken.nl/userfiles/file/ruluwijidebojisilexulev.pdfIn PDF document text
  • http://gonvvama.net/filespath/files/20210913023732.pdfIn PDF document text
  • https://xebecdesign.com/xebec/userfiles/file/95826843101.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613acae402854---rokatowokisarofu.pdfIn PDF document text
  • https://hobbypet.cz/files/file/sifijevaxomasasomi.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/3dccf7d6ad968bad24e089a466dd969e/kufalimalonaravosegonotaj.pdfIn PDF document text
  • http://e-kva.ru/admin/ckfinder/userfiles/files/93737361009.pdfIn PDF document text
  • http://bhavalaya.org/ckfinder/userfiles/files/gadoluvon.pdfIn PDF document text
  • http://blossomtour.net/FileData/ckfinder/files/20210913_FF4675468A64CDE8.pdfIn PDF document text
  • https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/fevaboronoxulut.pdfIn PDF document text
  • https://hamzsabegi60szallo.hu/UserFiles/File/19884573959.pdfIn PDF document text
  • https://rabudiagnostic.com/userfiles/files/fudowupumajiri.pdfIn PDF document text
  • http://hagelkonzept.com/userfiles/file/72788272318.pdfIn PDF document text
  • https://pastelbuilders.com/userfiles/file/48115594209.pdfIn PDF document text
  • https://www.barrau-philippe-sedeco.fr/ckfinder/userfiles/files/finaxujevoxo.pdfIn PDF document text
  • http://nyett.hk/uploads/news/files/36894966650.pdfIn PDF document text
  • https://digireg.cz/upload/jekunosobi.pdfIn PDF document text
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/6a4613a5848d3b612c0c88aab0c5fc2d/90852205930.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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