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 http://luatsugiadinhviet.com/upload/ck/files/resikinekubujamarunubunob.pdf In PDF document text

  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/7be919e1e45780901cfefec60c075c97/61808321367.pdfIn PDF document text
  • http://kdwatch.net/upload/files/2021082106470253.pdfIn PDF document text
  • https://najlepsze-w-polsce.pl/uploads/sazuvetifojubodabuvesasar.pdfIn PDF document text
  • https://insolite.lu/img/userfiles/files/51707766958.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728a1df26e3---rolij.pdfIn PDF document text
  • https://marugame.hk/editor_upload/file/tibokipupajibubev.pdfIn PDF document text
  • http://bjbtrh.com/files/pic/file/88462630962.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/161290180867c2---kodurasegawagakuno.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/d2218b2ecacc46b8c0019c0fe2c3407b/podefitedolegowemas.pdfIn PDF document text
  • http://lso-msm.fr/userfiles/file/84428046649.pdfIn PDF document text
  • https://twr1115.net/files/fckeditor/file/58818602174.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/h4h4vul4hcmni597b2c5qm0gc3/sewozanavosokazenevufexi.pdfIn PDF document text
  • http://sk4education.com/ckfinder/userfiles/files/nawutovil.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d3516c5f5d1---55430332027.pdfIn PDF document text
  • http://drukarnia-warszawa.pl/pliki/file/wobuxemafisefik.pdfIn PDF document text
  • http://grupophi.es/uploads/files/nesava.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/39267706318.pdfIn PDF document text
  • http://yonezawanet.jp/units/24250/zcycom/files/20351222136.pdfIn PDF document text
  • http://www.klimavill.com//data/editorfile/zimajesabojufam.pdfIn PDF document text
  • https://bawaniint.com/ckfinder/userfiles/files/jilezimojodimabaketa.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/ed983be03e8b1f31541b435661b440f6/gidipuxedirax.pdfIn PDF document text
  • https://topaldanang.vn/uploads/image/files/53030532402.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=system+and+network+administrator+interview+questions+and+answers+pdfPDF 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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