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
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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://philabc.ru/uplcv?utm_term=shotgun+farmers+apk PDF link annotation

  • http://newbusan.net/FileData/ckfinder/files/20210907_24080B4B87D30037.pdfIn PDF document text
  • https://oriental-kitchens.com/userfiles/files/mofor.pdfIn PDF document text
  • http://clinicaveterinariasangiacomo.it/userfiles/files/5613935317.pdfIn PDF document text
  • http://koyomisushi.com/uploads/files/8951213964.pdfIn PDF document text
  • http://gocreate.termall.pl/upload/fck/file/67175716407.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/75269928930.pdfIn PDF document text
  • https://geelaboba.dswip.com/ci/userfiles/files/33399139322.pdfIn PDF document text
  • http://hferrynetworks.com/FileData/ckfinder/files/20210909_762D39569BE55703.pdfIn PDF document text
  • http://murielbellhomes.com/userfiles/files/91489108480.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8e3e932ec---29094630153.pdfIn PDF document text
  • http://stauarchitetti.eu/userfiles/files/9307383927.pdfIn PDF document text
  • http://kaies.net/upfiles/2109072317146850013egb02.pdfIn PDF document text
  • https://etravelbox.com/scgtest/team-explore/uploads/files/bazilesep.pdfIn PDF document text
  • http://dorp.pl/userfiles/files/96111419151.pdfIn PDF document text
  • http://cuacuonbinhduong.com/upload/files/23269110551.pdfIn PDF document text
  • http://envigest.cz/upload/file/51973722832.pdfIn PDF document text
  • http://slesnick.net/userfiles/files/rowewolabakidupujakaj.pdfIn PDF document text
  • http://seasonmediagroup.com/pic/file/jaxazejagev.pdfIn PDF document text
  • https://nullemont.fr/nullemont/ckfinder/userfiles/files/28755761973.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/503b0de90539a07e23ecc93ae8affa83/sulelapogugijunip.pdfIn PDF document text
  • http://tinavaron.com/ckfinder/userfiles/files/lenasup.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135659475f54---59523587121.pdfIn PDF document text
  • https://nonbodepsg.com/uploads/files/64039868778.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/zexopunemene.pdfIn PDF document text
  • http://simoncaulkin.com/images/ganumulab.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/2fb7ec86d97fedce1f68faec8c89b97f/68104271676.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161343f30aaea2---73279222140.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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