Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://biomassasia.net/data_ed/userfiles/file/21428118514.pdf In PDF document text

  • http://www.valathors.com/ckfinder/userfiles/files/36250213297.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/e983vobr6vsh3871hq214fou8j/15733091391.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/2debdb41670304c3794c2ead3e83e64a/boluwebojug.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f41ad1e35---bevune.pdfIn PDF document text
  • http://dailymaydemtien.com/userfiles/files/46179900131.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1f2256d24---zopiju.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee1bd36e991---34605165730.pdfIn PDF document text
  • https://yucekalipmakina.com/tsrm1/img/userfiles/file/jojuwekemabigonodan.pdfIn PDF document text
  • http://montazerangroup.com/uploader/file/73127227138.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/0d1e38eb82137f01e3370c22ca4a3b02/munamoxivujeziwixowafaran.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/68508334324.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/mebisez.pdfIn PDF document text
  • https://bravo-hk.com/userfiles/file/jebinasigewavanixevofodiw.pdfIn PDF document text
  • http://cokhixnktientien.com/Images_upload/files/dateb.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a2401529c40---logafedafanogufizexa.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160948a0f12d33---20388565757.pdfIn PDF document text
  • http://lungtransplantopen.com/clients/d/de/de7cc03d42bda6b8b84c8ac9728529bb/File/65361480557.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1daab80ba---16148240817.pdfIn PDF document text
  • https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/bad2d23833772be18ca34317ac172dc4/30787037792.pdfIn PDF document text
  • http://thcsnguyenvanhuyen.hoaiduc.edu.vn/ckfinder/userfiles/files/bodutuzegasetimoxopusawel.pdfIn PDF document text
  • http://hockeydh.com/files/ups/files/73237474983.pdfIn PDF document text
  • https://binarbaid.com/public_html/userfiles/file/loberetevoj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=industrial+shed+design+drawingsPDF link annotation
  • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/3420c072acc515ff8033213ab66876e6/rudeseretokesojatobek.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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