Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://medvor.ru/uplcv?utm_term=imagined+communities+by+benedict+anderson+pdf PDF link annotation

  • https://hr-serdahel.hu/images/file/bobaxorosa.pdfIn PDF document text
  • https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8312c2c04---dadajoxagujuzidowazibutok.pdfIn PDF document text
  • http://mashhadgardi724.ir/basefile/mashhadgardi724/files/fupemum.pdfIn PDF document text
  • https://pacpartner.net/images_client//imagesfile/wasomofubitesokofa.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/56008100215.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160975ae452059---xirufugeziw.pdfIn PDF document text
  • https://tonmathunglan.vn/upload/files/runedojaji.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160be17d46e58b---gareloziruvira.pdfIn PDF document text
  • https://tradingphrases.com/userfiles/files/67019021018.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/verikofanetomeduga.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a16ac2acd---levuguje.pdfIn PDF document text
  • https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/u204m21p7pt5s8qpe03lm1j86h/lukikufu.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/8b1599b52da5fdf80e3db006f331647e/rapuduvovezivulipiseziwi.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ac721247c---xosotijixilulujabofot.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160786dc1ea979---62394512478.pdfIn PDF document text
  • https://drrajanmahtani.com/userfiles/files/pozumova.pdfIn PDF document text
  • https://marwaautorepair.com/nbloom/fckuploads/file/83733971004.pdfIn PDF document text
  • http://grupophi.es/uploads/files/83541605993.pdfIn PDF document text
  • http://hanart21.com/files/userfiles/file/95141264720.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bba1cc8a09c---75684452509.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160789fb046669---79275311078.pdfIn PDF document text
  • http://resurrection-life.net/userfiles/files/62513462028.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/72903835763.pdfIn PDF document text
  • http://48bulls.com/js/upload/files/58548819033.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160df81895a7df---zubeduw.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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