Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://allytemp.ru/uplcv?utm_term=android+pattern+password.
• 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://allytemp.ru/uplcv?utm_term=android+pattern+password PDF link annotation

  • http://materialdeestudo.top/userfiles/files/73079220275.pdfIn PDF document text
  • http://fuzoku-kyujin.jp/ckfinder/userfiles/files/xitiketivatabojadefukuziz.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3cbedd313---murigolasitimuwul.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b6fd547d5a---ketezuwizerasuwawa.pdfIn PDF document text
  • http://jumpinfit.it/userfiles/files/kugenazala.pdfIn PDF document text
  • http://www.moyekolodin.com/files/naxibixurufavoj.pdfIn PDF document text
  • http://isdoor.ru/uploads/files/tukegujaxapupoxili.pdfIn PDF document text
  • http://townofwinslowin.com/flash/townofwinslowin.com/file/39870531279.pdfIn PDF document text
  • http://piri-piri.pl/ckfinder/userfiles/files/55396256921.pdfIn PDF document text
  • http://kondicionery-himki.ru/upload_picture/file/seguruforogewurumibore.pdfIn PDF document text
  • http://geraldinekilkelly.ie/67846849322.pdfIn PDF document text
  • https://mmeasar.com/mmeasarfiles/file/22062286764.pdfIn PDF document text
  • https://enilubricantvn.hoakhanh.vn/uploads/image/files/50688682066.pdfIn PDF document text
  • http://drcleancenter.com/uploads/files/202109130335548740.pdfIn PDF document text
  • http://bayernglobal.de/userVZ/file/40658492238.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20210911_E5934D88B34F50A2.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/f1a7dbe58da2216964e6bcf1220fbe50/89431549358.pdfIn PDF document text
  • http://boldogelet.hu/media/38941596616.pdfIn PDF document text
  • http://studiosimonepantaleo.it/userfiles/files/37366065115.pdfIn PDF document text
  • https://colegiumaniucarei.ro/ckfinder/userfiles/files/46867768639.pdfIn PDF document text
  • http://ukonlinedirect.com/userfiles/files/5377094775.pdfIn PDF document text
  • http://kiddeefire.com/media/userfiles/files/dirin.pdfIn PDF document text
  • https://rubfila.in/files/file/35161738784.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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