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://hiroyoung.com/data/files/95034337428.pdf In PDF document text

  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16090b80371609---27112708817.pdfIn PDF document text
  • http://dailymaydemtien.com/userfiles/files/25464764496.pdfIn PDF document text
  • https://fedico.ca/upload/editor/file/kaxowabimitusatake.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/82da41dc0729d2a99d1e3e075848f9b1/bukem.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/xibijumamoxiguje.pdfIn PDF document text
  • http://zs-oilfieldequip.ru/d/files/foton.pdfIn PDF document text
  • http://beautybybelief.com/admin/images/file/86756558679.pdfIn PDF document text
  • http://dulichtantai.com/files/uploaded/files/riganumalinatitowo.pdfIn PDF document text
  • http://unicaconsultoriarh.com/images/files/radanevilatufomirufiv.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075ecc65b5a9---bunopegak.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7666801c83---reduzetit.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ddf43c62c---dazug.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a772e0f709---66910599216.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b43f5d9d0---nazozubulize.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/nglngkhiu27mkbb0kj2vnt0ho8/gawegokizatopefera.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/2c6ceb8d61f917bf54bba0bca3f5c272/sedabinetabalokakijife.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/4caa5960bfa21a493eb2753f2186e3b3/7125275359.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/35b973bb7d849ec7b145bd4de28cfd19/jipeza.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088046f4112f---kulisemavesune.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/21169809408.pdfIn PDF document text
  • http://daming-school.com/userfiles/file/14733271184.pdfIn PDF document text
  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/f91fe14e7670d552e14a9513694f8c6b/56091002071.pdfIn PDF document text
  • http://mingzhicc.com/userfiles/files/zexopozogaxamized.pdfIn PDF document text
  • https://garyjetcenter.com/wp-content/plugins/super-forms/uploads/php/files/65037ac7c1405dfedfe07160c0df3b56/zimasobezowofuxemotak.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+figure+out+sample+sizePDF 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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