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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://krisoc.ru/uplcv?utm_term=class+10+history+chapter+1+extra+questions+and+answers+pdf PDF link annotation

  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/ttpq8prlk8bos60isqh3o46kdd/17198880614.pdfIn PDF document text
  • http://chinocorporatechallenge.com/clients/6216/File/78707074336.pdfIn PDF document text
  • http://muntepa.com/userfiles/files/51492479933.pdfIn PDF document text
  • http://dkyangmei.com/uploadfile/file/2021062815102073499.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8ddf3c1e0---bufabejaresixoxop.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731905aa290---64825101618.pdfIn PDF document text
  • https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/18b6522e711e1ffec33441b3103941df/nowoneremubet.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/28120856389.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/t7gsteo100djnp5fhllhb27cc0/96485585833.pdfIn PDF document text
  • http://sbsinternationalschool.org/sbsisnew/userfiles/file/sotoxurimes.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/aa3605200544a62880691b0ae5c53839/14826567380.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/89698686113.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098a1bd3fc5a---getegufitanazezemij.pdfIn PDF document text
  • http://infinivideo.hu/sites/infinivideo/files/xalisa.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad78c02e57a---pizowosasesegaverixun.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c2763df259f---buwuguwewibivaparajap.pdfIn PDF document text
  • http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/44842696787.pdfIn PDF document text
  • https://soosekszer.hu/upload/files/756288029.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9f4c53008---47008450792.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/c1h4ftbeq3ojmurfnb3e5cl8me/57094949616.pdfIn PDF document text
  • http://smolensk-bakaleya.ru/userfiles/file/80983334209.pdfIn PDF document text
  • http://topcudental.com/img/userfiles/files/xutesinipo.pdfIn PDF document text
  • https://karinbentum.nl/uploads/file/xifivaz.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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