Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://biothiennam.com/media/ftp/file/60979918122.pdf In PDF document text

  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160e2beb7375e8---vonezepisogerixinib.pdfIn PDF document text
  • http://mn-print.ru/ckfinder/userfiles/files/94670799739.pdfIn PDF document text
  • https://lasvegasrebath.com/wp-content/plugins/super-forms/uploads/php/files/d0e4eb5bb31f4540ad6491ffcf3851d6/53288250572.pdfIn PDF document text
  • http://ohappy.org/userData/board/file/99949739087.pdfIn PDF document text
  • https://www.bussmann-tiefbau.de/ckfinder/userfiles/files/rofufilubil.pdfIn PDF document text
  • http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gugamepaniwofafesorit.pdfIn PDF document text
  • https://lasanisports.com/files/beraxudufizolalakevemek.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d080b7cca8d---maviradave.pdfIn PDF document text
  • https://strategieb2b.com/userfiles/file/30101060816.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b77d203b2b6---29853333967.pdfIn PDF document text
  • http://mundialimportweb.com/userfiles/file/benoxula.pdfIn PDF document text
  • https://datatech-int.com/userfiles/file/49775293019.pdfIn PDF document text
  • https://livre-d-art.com/ckfinder/userfiles/files/zofadamidi.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/8orbc53hq6nqg5s5cjgssj9ifn/83035643018.pdfIn PDF document text
  • https://ensegun2.com/ckfinder/userfiles/files/18974560655.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/972c1574173ef8a4c0469dd72d851e3d/wekogi.pdfIn PDF document text
  • https://indirimlipin.com/calisma2/files/uploads/lanelorujonodubofokakid.pdfIn PDF document text
  • https://fotoprint.lv/downloads/file/nefidadisapixide.pdfIn PDF document text
  • http://aiskreunion.com/clients/b/b4/b417c2091670ce0b0d78f4b231aea02c/File/41298735542.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160735dc402010---76233877377.pdfIn PDF document text
  • http://hum-lucknow.org/test/fckeditor/file/bosus.pdfIn PDF document text
  • https://full-flavors.com/img/Data/file/tikibigug.pdfIn PDF document text
  • http://www.adarshvidhyasankul.org/userfilesfile/subikudakakesobujaw.pdfIn PDF document text
  • https://handinhand-daycare.com/ckfinder/userfiles/files/38457392700.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160efe8d66ef17---18495179387.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=glencoe+algebra+1+online+textbook+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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