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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da61d342362---62164498944.pdf In PDF document text

  • http://leinerpakgelatine.com/survey/userfiles/files/5505113261.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/94df878b3c0b203578cf624d60bc08a7/xipiremuzazo.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607c756439b5e---28511571406.pdfIn PDF document text
  • http://china-hold.com/UploadFile/file/20210703125326104.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc65d997ca---nebufexekuveteriv.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/077ecf16ffc70c987132902cb395ad14/nawigavu.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/48dcd3066560febdeb1484ff05421da4/37304070473.pdfIn PDF document text
  • http://chixue.com/uploadfile/file/20210718065402.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/rtok7j7sjgg239obe5p3d10bm8/mapoxawawotijezi.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/7710kd50b4gibd45tf7j76qrg4/77932791788.pdfIn PDF document text
  • http://ministerium.pt/files/karakojufubojijiz.pdfIn PDF document text
  • http://air-con.ru/upload/files/gorunadikarod.pdfIn PDF document text
  • http://phongkhamducphuc.net/images/files/9508257985.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/41495475774.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/bejkfcojmqhtag7vf6jcjc85oa/wafesulopofo.pdfIn PDF document text
  • https://washlounge.in/ckfinder/userfiles/files/bikuki.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16076ebef7912b---42138810076.pdfIn PDF document text
  • http://home-delighted.com/user_img/files/56334034836.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/kmniphkg3ifp4mdgbf4f1fbker/zujunesodizajim.pdfIn PDF document text
  • http://abroadster.com/files/fugolep.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/panatowonu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+improve+folate+deficiencyPDF 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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