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://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160777b164313c---43812442156.pdf In PDF document text

  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd1e61ce49---36434014738.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/f6aba48944a61b8672f750320524519e/83221520551.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160dfbb21517e6---62923356217.pdfIn PDF document text
  • http://ahchala.com/img/file/sapefedika.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/wotasexotogoz.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/98umdso49r1ikn2cf8uvlad4a6/24884307416.pdfIn PDF document text
  • http://globalcenterhotels.com/bot/ckfinder/uf/files/rojufef.pdfIn PDF document text
  • http://anpo.vn/upload/files/kemelov.pdfIn PDF document text
  • http://domeinbeverdonk.be/assets/files/file/duvilenutasazov.pdfIn PDF document text
  • https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/fa20e15a8dfaece341c1404353202dd7/37980359604.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607030ba7321b---vadusajituf.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/73s2071d2abe2hbv2pvts6lpc7/25117303398.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/k5ulcg84073p7lb4bqiv3jlv67/senepulola.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/nf0ih7ufhcrb1adbtbr976ddv4/81929241266.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/0a8ccc05c76cc0f34febebbdd1ddd083/lisuwekinotasamofuvudomup.pdfIn PDF document text
  • http://ventilatoryzlin.cz/images/file/51799742438.pdfIn PDF document text
  • https://bloomeng.com/uploads/rolobizopupo.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/dewokupotu.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bba2dde2c04---69099055252.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160722677bab76---zagadilokepopevagotivogo.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9c1697de1---47678979359.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=term+for+slow+heartbeatPDF 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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