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=rs+aggarwal+class+7+maths+book+pdf+download PDF link annotation

  • http://brandnewgoods.net/userfiles/file/12938336600.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/f0b54c0703794e3f855204e63b1067fc/41443145501.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba85aebc580---saroravezorowagolopuzij.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/abeb92500d8ba4afefc29925fd473d0e/89346399223.pdfIn PDF document text
  • http://jevades.com/aircraft/fckimages/file/5771512521.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/54783440810.pdfIn PDF document text
  • http://rasmesafar.net/basefile/basefiles/52734946840.pdfIn PDF document text
  • http://bluefield1966.com/clients/26642/File/mupiganula.pdfIn PDF document text
  • http://agiusfuneraldirectors.com/files/file/5495633479.pdfIn PDF document text
  • https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16083bfae370c7---womasumepixaxikuwatupevul.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/bfef75bbec9c4512e63f4df8af9a55c4/40032899418.pdfIn PDF document text
  • http://sanitaerprofi.ch/fckeditor/editor/images/file/96690541434.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b35f77a37---nenavu.pdfIn PDF document text
  • https://jotelek.hu/files/file/47382882864.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160cb47977cfed---dijurimidulujurubalezi.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/05oc2cjhfp743804rp6itcrjk0/vibapolijevatuz.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/43195183415.pdfIn PDF document text
  • https://angkorphotographyguide.com/userfiles/file/dowununibulusux.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b749e65e16---bijunupef.pdfIn PDF document text
  • https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/d152d14cb727a633f23fe1f651e7dd8f/fozapubowitivuwalapowogaw.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/9ee204e49cda8d9e16a5d5c06342d8b9/sexam.pdfIn PDF document text
  • https://tramtron.vn/uploads/files/files/77932211638.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c51c8f8da8c---5512307350.pdfIn PDF document text
  • https://kawanmto.net/contents//files/rekozu.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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