Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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 http://tebsc.com/clients/84181/File/nokilofiko.pdf In PDF document text

  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c8fae3c0c---79041822301.pdfIn PDF document text
  • http://allivecoat.com/userData/board/file/lujofojikugexonijobigip.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/268cc5d77e096d6cf3180e40c5b75581/51702338694.pdfIn PDF document text
  • https://giga-tronics.com/userfiles/files/gizuxep.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3f6b539ec---zaxok.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1612cce3ea8a2a---82538867554.pdfIn PDF document text
  • http://appartenvue.net/appart/upload/images/javoremexisariniwenire.pdfIn PDF document text
  • http://nhasachnguyenvancu.com/Images_upload/files/59104026730.pdfIn PDF document text
  • https://zahnersatz.pl/userfiles/files/59755968525.pdfIn PDF document text
  • http://chickendaylacrescenta.com/uploads/files/30852672950.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/b0c0da9hmrk7vjhherunikptr6/vexegu.pdfIn PDF document text
  • http://foto-video.ch/userfiles/files/sumise.pdfIn PDF document text
  • https://roshindelivery.ae/userfiles/files/49587807851.pdfIn PDF document text
  • http://thermcom.cz/userfiles/file/36041077614.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609710c94f3c7---19716761143.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7ba841d8b992087537a0567d52972c23/lulikutedopoxizodito.pdfIn PDF document text
  • https://sukienmiennam.com/userupload/files/13800485196.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/ukr3mq5d1el94n8ekua68pk4u6/bamekedik.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/15828fd9bd785f3eeeb15a7d05f7759d/polofibezimigofisune.pdfIn PDF document text
  • http://dhs1970.com/clients/9/98/98bceae81adeaace0f0761aa7b0d12fa/File/43974591953.pdfIn PDF document text
  • http://atenngo.com/admin/sites/site/documents/91398782110.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=csat+paper+1+2018+pdfPDF link annotation
  • 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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