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 https://queure.ru/uplcv?utm_term=security+threats+in+cloud+computing+pdf PDF link annotation

  • http://k1a.ru/images/files/file/86649498614.pdfIn PDF document text
  • http://bipaf.org/2009_home/upload/editor/file/35438982612.pdfIn PDF document text
  • https://intrastorg.com/userfiles/file/32103979082.pdfIn PDF document text
  • https://eseninternational.com/uploads/files/54574287674.pdfIn PDF document text
  • http://glovimex.com/uploads/ckfinder/files/56141157212.pdfIn PDF document text
  • http://cablexconsulting.com/Upload/file/gebepadujare.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/161314b5d2f5d3---80563480192.pdfIn PDF document text
  • http://wwsm-hk.com/files/file/66668794609.pdfIn PDF document text
  • http://www.prodomasa.com/ckfinder/userfiles/files/66405865962.pdfIn PDF document text
  • https://peoplesmodelinternational.com/ckfinder/userfiles/files/nuwowupada.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7a061254f---fumisapevazumotuzamejeri.pdfIn PDF document text
  • http://cuoredicane.it/userfiles/files/wuzabifumotove.pdfIn PDF document text
  • https://buzascsaba.hu/userFiles/file/bilewemok.pdfIn PDF document text
  • http://kleinschadenexperte.de/userfiles/file/xesatojiparerepuvid.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/gdejqtt6erlirhk0p8lov6ke1b/nawakega.pdfIn PDF document text
  • https://franchiseharbor.com/files/files/21802751001.pdfIn PDF document text
  • http://lafiestadelmoto.cz/files/file/47685749915.pdfIn PDF document text
  • http://xinnethk.com/userfiles/file/toroluv.pdfIn PDF document text
  • http://orkoien.com/userfiles/files/61806809430.pdfIn PDF document text
  • http://spc1991.com/ckfinder/userfiles/files/60094671144.pdfIn PDF document text
  • http://rtm-plus.com/ckfinder/userfiles/files/96550289359.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/74c9b410386ecac346f6f92abc6c263f/59589802709.pdfIn PDF document text
  • http://parejalecaros.com/adjunto/upload/fck/files/20205433959.pdfIn PDF document text
  • http://billedbutikken.dk/articlefiles/file/89534982661.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/kelonafemudisomixemefoje.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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