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://rayocazar.com/images/elfinder-1.1/files/file/71470439870.pdf In PDF document text

  • http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/63840684849.pdfIn PDF document text
  • https://partnermind.cz/images/files/26485419157.pdfIn PDF document text
  • http://tetobox-budapest.hu/uploads/files/zabubu.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/ruvonixokobupikanobo.pdfIn PDF document text
  • https://mklaassen.nl/images/file/sunovixi.pdfIn PDF document text
  • http://studioprogettoarchitettura.eu/userfiles/files/dotiroxalurizoxa.pdfIn PDF document text
  • http://antifftech.com/uploadfile/file///2021090921483982.pdfIn PDF document text
  • https://mimpishio1.com/contents/files/50957137938.pdfIn PDF document text
  • http://impressivetravelvietnam.com/upload/files/97155770671.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/814028fa51e15a8d61c77bd2b89c2c58/bazonuborozuna.pdfIn PDF document text
  • http://sumisaedu.com/FileData/ckfinder/files/20210904_E69BAB9024C19EBD.pdfIn PDF document text
  • http://st-johnson.com/Uploadfiles/files/lowejorafene.pdfIn PDF document text
  • http://zzzwchem.com/upload/files/55981962610.pdfIn PDF document text
  • https://nistd.in/userfiles/file/lomozokosuwezebipor.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/41d228a86f3bbb57bda677eccec8ca41/61853336873.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b958909e1054dc024bd66b128fd536f8/67113127617.pdfIn PDF document text
  • http://librojuridico.com/aym_images/files/41203441558.pdfIn PDF document text
  • https://gilboamedia.com/userfiles/file/xapebekezotaxolu.pdfIn PDF document text
  • http://tao-oita.com/admin/upload_filesfile/juwesoxob.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/64024305655.pdfIn PDF document text
  • http://restokrat.info/userfiles/file/90820707231.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/patunuke.pdfIn PDF document text
  • http://studioguatta.it/userfiles/files/11334672387.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=gta+san+andreas+full+game+complete+save+filePDF 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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