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://smidgel.ru/uplcv?utm_term=electrical+power+system+by+ashfaq+hussain+pdf+free+download PDF link annotation

  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0cd8180e71---vegusurudipedina.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7db10f476---bojoxuja.pdfIn PDF document text
  • https://asiarsolutions.com/userfiles/file/13698707875.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/b5687405a4d85a013aa929f2467ea665/91465348301.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/5a622a0354f7634cbb362c2a8df9cdbe/34966869148.pdfIn PDF document text
  • http://www.umadai.com/ckfinder/userfiles/files/walomikulopapawolu.pdfIn PDF document text
  • https://sieuthigo.vn/upload/ck/files/20362281469.pdfIn PDF document text
  • http://meechoktoolmart.com/user_img/files/31999960916.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f10fe4433---zobezupelibonu.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/588cd5111da487c181ece8739c1767cf/kakorivopirubinogova.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612b2458d35cd---49632671949.pdfIn PDF document text
  • http://faisaltowel.com/survey/userfiles/files/11813077011.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f127b3784a---17632326278.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/43da9a2e1db242e613d85d825b10e304/fuvunipozetepupifofi.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0713bcea8---4575883987.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/hkgeo2gdkqr02s3vk2c6rjae8n/ruxubagemilenedose.pdfIn PDF document text
  • http://crmrealty360degree.in/userfiles/file/86204995502.pdfIn PDF document text
  • http://architettorobertafasola.eu/userfiles/files/viwomademe.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/levg9in2dp32jps1dal30r9ih3/guwikabina.pdfIn PDF document text
  • https://ethnicacademy.com/userfiles/file/leveseru.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/8smdcf6t7933iacipk8mhcq9p4/26370258381.pdfIn PDF document text
  • http://vuadiemtayninh.com/hinhanh_fckeditor/file/58269071328.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/k7uhi5hanfg0b39lmv9a6tq9u7/wanamemizevizajanonazor.pdfIn PDF document text
  • http://mp-journal.com/media/file/bifezowelo.pdfIn PDF document text
  • http://speckrepeg.by/UserFiles/files/kusakig.pdfIn PDF document text
  • http://www.thaiboat.net/image/upload/File/zalapuwit.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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