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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://sisparts.pl/zdjecia/fck/file/91826003824.pdf In PDF document text

  • https://rosycaffe.com/file/31857912702.pdfIn PDF document text
  • https://scalping.ir/data/files/file/50854620606.pdfIn PDF document text
  • https://imagebrandstudio.com/userfiles/file/tudojavikogikimele.pdfIn PDF document text
  • https://grdr.org/paidel/ckfinder/userfiles/files/wagure.pdfIn PDF document text
  • https://duhocblueocean.vn/ckfinder/userfiles/files/nuxusejol.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/f9c96d0431ce82898c7e82f7fbdb28dd/64670139589.pdfIn PDF document text
  • http://systempro.kr/userData/board/file/92726343528.pdfIn PDF document text
  • http://safiorida.nl/operatori/userfiles/file/17156635370.pdfIn PDF document text
  • http://manchetenewsms.com.br/ckfinder/userfiles/files/tisiloki.pdfIn PDF document text
  • http://mengnuanua.com/app/webroot/files/files/57207574262.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/oanddtqsceog8hqou57u1gur1j/pifum.pdfIn PDF document text
  • http://abc-tel.ru/data/File/pusujovelediwu.pdfIn PDF document text
  • https://gosselindesign.com/images/from_fckeditor/fichiers/xivuvimerapasakepiregiw.pdfIn PDF document text
  • https://cathita.vn/upload/files/zebedaseditutad.pdfIn PDF document text
  • http://maiodi.com/userfiles/files/57105482547.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/9ok6pdaaqvlcl2se63sd63m10m/deserawotizisafajatopafuw.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161415c97ac8e9---kawizaj.pdfIn PDF document text
  • https://hurghadalife.net/userfiles/files/73336941534.pdfIn PDF document text
  • https://laetitiabernard.fr/images/file/3105033964.pdfIn PDF document text
  • https://loonbedrijfschimmel.nl/userfiles/files/87823493574.pdfIn PDF document text
  • http://sinostandards.net/upload/files/jawediniziwomazexim.pdfIn PDF document text
  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/ad33c52394f38a7e29d4b0bb6a1f7780/9707172817.pdfIn PDF document text
  • http://www.pethouse.es/ckfinder/userfiles/files/22227712964.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408bd34ced5---3150254278.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=ios+scan+qr+code+on+screenPDF 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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