Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://makinsushi.com/uploads/files/xoboregubovisizo.pdf In PDF document text

  • http://www.ruben.pl/ckfinder/userfiles/files/84448426145.pdfIn PDF document text
  • http://palyavalaszto.hu/teszt/upload/file/bepaxeruliruzoreku.pdfIn PDF document text
  • http://mazurubezpieczenia.pl/zdjecia/fck/file/44711400191.pdfIn PDF document text
  • https://aglogistics-bo.net/userfiles/file/5595456057.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/vusabofiwinojoxivol.pdfIn PDF document text
  • http://vip-cond.ru/userfiles/file/16241668106.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608d32630f23c---bolakodosu.pdfIn PDF document text
  • http://afro-safari.com/upload/files/90350140158.pdfIn PDF document text
  • http://140.121.161.111/ckfinder/userfiles/files/32658925202.pdfPDF link annotation
  • https://acronimocostanzo.com/userfiles/file/pisimujamonawifudakufiw.pdfIn PDF document text
  • http://fbhsclassof70.com/clients/f/f6/f6e65d48c6cf753e26882f86001d336b/File/22076772065.pdfIn PDF document text
  • http://motivationandmomentum.net/ci/userfiles/files/kefix.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160971bb89b03a---nebujakakobotutefazeked.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/2026077635.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8e60eb830---31255226833.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/i7poqjhrg9bck52lh01f6fe5km/piwavobupixaw.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/68718722058.pdfIn PDF document text
  • http://sunarfactory.com/userfiles/files/xokaj.pdfIn PDF document text
  • http://cke.hk/userfiles/sewivimaridujevizerumox.pdfIn PDF document text
  • https://www.hippocratio.gr/ckfinder/userfiles/files/96862616836.pdfIn PDF document text
  • http://cyuanmei.com/userfiles/file/fepowapopuned.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de159a573cd---48715563829.pdfIn PDF document text
  • http://nowator-zpu.pl/userfiles/file/jupilolevaxonatimoxe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=teaching+tenses+pdf+downloadPDF 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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