Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=how+to+make+half+wave+rectifier+circuit+on+breadboard PDF link annotation

  • https://truckforceone.eu/upload/editor/file/51202976922.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/segajuxajowabunodekev.pdfIn PDF document text
  • https://perfecthospital.net/ckfinder/userfiles/files/kagonirubafupewipata.pdfIn PDF document text
  • http://caythuocnam.org/images/files/68809350201.pdfIn PDF document text
  • http://primaria-ciocirlia.ro/media/file/dodokamovekopisigigemisem.pdfIn PDF document text
  • http://immobilieninvestors.com/userfiles/file/12261853574.pdfIn PDF document text
  • https://rallstarawards.us/nbloom/fckuploads/file/voxuzar.pdfIn PDF document text
  • https://abisspaandboutique.com/nbloom/fckuploads/file/xurun.pdfIn PDF document text
  • https://virtrade.gr/userfiles_lybo/file/duminijijijesitenogujo.pdfIn PDF document text
  • https://daiichitravel.com/uploads/news_file/79198577082.pdfIn PDF document text
  • http://proficlim.ru/public/userfiles/file/rekux.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/1bfed7664e0433bcb6caa2691b2a928c/fubosenilamuxefitoxu.pdfIn PDF document text
  • http://buren-kompanie.de/userfiles/files/xuzojobedopozefidim.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16141a5d900556---12975879944.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/27866856567.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/i0vje3s6v4f5lvabodleiisha4/89510790727.pdfIn PDF document text
  • http://alarm.pl/userfiles/file/16951337511.pdfIn PDF document text
  • https://jeevadhara.org/work/london/userfiles/file/50671402671.pdfIn PDF document text
  • https://securitydm.com/slicice/file/70704480415.pdfIn PDF document text
  • http://ieltsadd.ir/cache/fck_files/file/zofekivijon.pdfIn PDF document text
  • http://fireprovietnam.net/luutru/files/57080208540.pdfIn PDF document text
  • http://orderbestwings.com/uploads/files/98464763240.pdfIn PDF document text
  • https://champion-osk.pl/userfiles/file/goloxexazufadob.pdfIn PDF document text
  • https://lesartsdansmonjardin.com/userfiles/file/20210911211423.pdfIn PDF document text
  • http://ilyxrace.com/userfiles/files/jakijinos.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/98da0c188be05e5914a9464bab8d52c1/vategofobeverinuvi.pdfIn PDF document text
  • https://ever-progress.com/upload/files/wewelonebijuvodesem.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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