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.
• 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://smidgel.ru/uplcv?utm_term=emile+zola+au+bonheur+des+dames+pdf PDF link annotation

  • https://esvigo.com/upload/files/80756905321.pdfIn PDF document text
  • http://pc-driver.ru/userfiles/files/30128419358.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609621882740c---27267267978.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/h1a9gcoq0a2rc7jlqvn5nfv8d0/niwarukexid.pdfIn PDF document text
  • https://suthuytinh.com/app/webroot/uploads/files/35822604356.pdfIn PDF document text
  • http://digemnd.com/UserFiles/file/59838917723.pdfIn PDF document text
  • http://zhizhencn.com/filespath/files/20210901065336.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f49744d203---vidifofusovuwijifufitewa.pdfIn PDF document text
  • http://reanda.com/jingkelun/userfiles/files/20210605004233.pdfIn PDF document text
  • https://aartipalette.com/userfiles/file/17091273802.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/0e5b630a40e0ff43f98092111eec8740/22329939836.pdfIn PDF document text
  • http://haphadoor.com/upload/files/80051520748.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/panujopafofomedabule.pdfIn PDF document text
  • http://newdimension.su/userfiles/file/77793778863.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/8937b63e09500337a2654e96338df422/tifenujojowi.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612be0f21f20b---gabupamugipafewenowixod.pdfIn PDF document text
  • https://whatshoulditcostme.com/userfiles/file/13533314548.pdfIn PDF document text
  • http://bestbuyfromindia.com/userfiles/file/zuguw.pdfIn PDF document text
  • https://tectrongim.com/uploads/files/60194293882.pdfIn PDF document text
  • http://4x4autok.hu/userfiles/files/32726936476.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/97335931153.pdfIn PDF document text
  • http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/ginepofotixamomeganazonu.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1608dedbb2f457---43514885642.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/ceb59d86e9623b56f1f23382e951e7dc/67655161.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/926dd10010fecf01f79a9e542ab0f0c1/45133139953.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16075f88fb163f---4250901055.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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