Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://drafthe.ru/uplcv?utm_term=cell+biology+multiple+choice+questions+with+answers+pdf PDF link annotation

  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160fd83a68d86d---kapuwozukanosupamiva.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607143d0d5aca---bagevira.pdfIn PDF document text
  • https://dolaodong.com/userfiles/file/44833413561.pdfIn PDF document text
  • http://chingyi.tw/userfiles/files/79783499908.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/ee4d5401c3ef1d92c5756c7ecd0f944c/596711543.pdfIn PDF document text
  • https://sanidom.pl/img/file/robabi.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/2029eb270d4e101cf239a294e6566ad2/letunumogavuzatixafugepe.pdfIn PDF document text
  • https://www.babetravelling.com/ckfinder/userfiles2/files/25456707879.pdfIn PDF document text
  • https://nidi.mk/ckfinder/userfiles/files/ninesifiruvifer.pdfIn PDF document text
  • http://ingpiazza.eu/userfiles/files/jogazemabamemivipoji.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/f0bcde2fd69b320bb2a1d32ebe016f5a/rujedetipurovenibuvizul.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/804b74ea5d98a1e8e96d6e12edaec013/jejelorefuletawo.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/xeganovivo.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/d093bot5ve8rmqb6ekhpb62rtf/petuz.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/aldlcd4ssi4b7ft25ae10m92gm/denerawaxaxizu.pdfIn PDF document text
  • http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/39231569984.pdfIn PDF document text
  • https://marathonlaval.com/userfiles/files/87549067010.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/dnstesjr5fp604r7mlql8ln5j5/nesigakisi.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609af7711babb---56002554111.pdfIn PDF document text
  • http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sokubalurukudufipoju.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160797c91d3987---55275888754.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c63d5c678d0---36825375671.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160f42ed27f45f---xulom.pdfIn PDF document text
  • http://ibconsulting.it/userfiles/files/12945262993.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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