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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://chcial.ru/uplcv?utm_term=pastest+osces+for+dentistry+pdf PDF link annotation

  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9117b7682---xazalegofafesal.pdfIn PDF document text
  • https://onecre.com/images/content/files/zugojuvukazoze.pdfIn PDF document text
  • https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/3a585b12859a028aa92decdae5828963/zavutitasajifekaluxomekul.pdfIn PDF document text
  • http://eviljoy.com/UserFiles/File/82877968302.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/adcfa646dc26ed770ae718fd6b0ce44d/96158817447.pdfIn PDF document text
  • http://kaies.cn/upfiles/210531122708886844nnkiv9.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/b957384df19d592c800f0e6e0f856d7c/87210045360.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a85ce00a64c---29236394961.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/800da8bbf31798b4c90f8e2cb859718d/57078656888.pdfIn PDF document text
  • https://srilangkapools.com/contents//files/topanokigufopidobuzusugu.pdfIn PDF document text
  • http://longarmquiltacademy.net/fckeditor/userfiles/file/86666910091.pdfIn PDF document text
  • https://travelstore.tn/userfiles/file/bisuravibudise.pdfIn PDF document text
  • http://moyamoya.center/images/hand_uploaded/files/ladezifotovufatavemufe.pdfIn PDF document text
  • http://atomleasing.ru/media/File/sasalofifu.pdfIn PDF document text
  • https://tbsva.org/Upload/files/20210826043058.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/lldsq9e9bi5b1bthb03nke1n7n/dexew.pdfIn PDF document text
  • https://hiddencliff.kr/FileData/ckfinder/files/20210606_F2B6D32F0DD0C57C.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/iq9h3q4dqbba3462jbllth6tg3/65666086883.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/fapav.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/22d75730941993d5b281b96caf756ec2/99133887912.pdfIn PDF document text
  • http://safires.cz/ckfinder/userfiles/files/59409646856.pdfIn PDF document text
  • http://peusch.lu/userfiles/files/jedude.pdfIn PDF document text
  • https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/8d7e01ae6969f4707736b898833939fe/15177727406.pdfIn PDF document text
  • http://ilyxrace.com/userfiles/files/57766785382.pdfIn PDF document text
  • https://pindimana.in/uploads/file/97542632374.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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