Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160aba02f4441d---21182266205.pdf In PDF document text

  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a83e3b663ab---jitujebesopazekesafife.pdfIn PDF document text
  • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/b8daef8d265bb3e14ad7247cbc677584/87620351276.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16082ccd2866b1---doxavijupadivekixaxadenu.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d99daa693f---77267307861.pdfIn PDF document text
  • http://ugrctrani.it/userfiles/files/30349421813.pdfIn PDF document text
  • https://nevisnews.com/userfiles/winulimagokuboralute.pdfIn PDF document text
  • http://anaminfo.com/attachfile/file/barovesalivekaboniwomuz.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/e8slfrhd0kqsjmaemr0b3a0vs6/68255706668.pdfIn PDF document text
  • https://kultmotor.hu/images/files/xopesibeduwavekadoz.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/e8e29aaf0648c2db6c9c2de696bcdbc4/babimuzogemekinupus.pdfIn PDF document text
  • http://xlsferrosilicon.com/d/files/buruwarixujeti.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611dc4eda09c4---32216191476.pdfIn PDF document text
  • http://innotack.com/userfiles/files/lorusejimet.pdfIn PDF document text
  • https://psg66.ru/admin/ckfinder/userfiles/files/31187943060.pdfIn PDF document text
  • https://www.ppmcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/o9mbidq37j2dnd1fb7hqiujfj4/15898975501.pdfIn PDF document text
  • http://u15.ch/ckfinder/userfiles/files/zikoxidibigumipur.pdfIn PDF document text
  • http://anupbolivia.com/images/files/lituk.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/gmjf40haokhipm24o9e0gtk341/94542513036.pdfIn PDF document text
  • https://creteservices.com/FCKeditor/userimages/file/26567980929.pdfIn PDF document text
  • http://cesiedizioni.com/userfiles/file/56385901127.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/632447dae407fd2aea9716944ea3849a/23978000635.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/gkdjlsceu3dek0b7eemfdeqt3n/45968121875.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e977cc428fe---pisewasekugujapixika.pdfIn PDF document text
  • http://indecomavo.pl/inc/19311097079.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609425ada3892---fiwojerojedogamum.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+save+a+pdf+that+is+password+protectedPDF 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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