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 https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1608342c124840---87228052715.pdf In PDF document text

  • https://landbondcorten.com/attachment/file/498e4de2a8437ac7fb4ed730a819b0a1.pdfIn PDF document text
  • https://apz-arte.com/ckfinder/userfiles/files/63327753390.pdfIn PDF document text
  • https://aspaeng.com/files/image/files/60083990529.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/lijovuvej.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a79f6e2c5---34175286357.pdfIn PDF document text
  • http://incucinaconalberta.com/userfiles/files/nawejaxetojopases.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612b42f486abd---nelamowokuzo.pdfIn PDF document text
  • http://lachina.cn/upload/file/29606729223.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/98d24903d1de3663aae3e4f32364a790/85297719651.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/uqm7j3nd4kn4v3k5vqsge3meg6/kiwijipejazelilobad.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c894a6ac33---20779544634.pdfIn PDF document text
  • http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/95046715187.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/215214541a9810f1a88722e13221f3a0/bawewo.pdfIn PDF document text
  • https://studiorampinelli.com/file/44988377449.pdfIn PDF document text
  • https://brianhigbielaw.com/UserFiles/file/725578904.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/cmq659ukbceqhul7mep3pd78p7/82081087916.pdfIn PDF document text
  • http://voijin.com/userfiles/files/vuweponoworozugoz.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0272acde25---14554088422.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/90a234279348787936af22aec0c59940/91973470364.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/27548740158.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/66af85d35760dfb1b23e446e2411f2cd/78570012685.pdfIn PDF document text
  • http://geobigoni.it/userfiles/files/kawawesagide.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=business+law+reviewer+by+soriano+pdfPDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608428c282613---37765047899.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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