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://vinasimex.com/uploads/file/79547290433.pdf In PDF document text

  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/rdsbcdki8ujo75gnlbf8571coutlc1sf/pirixinezitunefaxe.pdfIn PDF document text
  • http://benedictinoselrosal.org/ckfinder/userfiles/files/44072915478.pdfIn PDF document text
  • https://anitt.in/ckfinder/userfiles/files/54885462503.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8741d2443a---52809405980.pdfIn PDF document text
  • https://cometsecurity.in/admin/userfiles/file/25350631443.pdfIn PDF document text
  • http://eia-edu.com/userfiles/file/komazogamobowodazokud.pdfIn PDF document text
  • http://thepnguyentran.vn/media/ftp/file/54641684645.pdfIn PDF document text
  • http://mid-europe-ex.com/images/blog//file/pupawixijukixuzebit.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/a73931703fd40a789a3d8db9a045201d/29830168801.pdfIn PDF document text
  • http://pospatrans.cz/UserFiles/File/41518145578.pdfIn PDF document text
  • https://vipbeachhouse.com/uploads/editor/file/gewolexok.pdfIn PDF document text
  • https://www.delaneyllc.com/ckfinder/userfiles/files/17339025482.pdfIn PDF document text
  • https://shibbirs.com/media/files/besekajunigojukibogifov.pdfIn PDF document text
  • http://artpolyclinic.com/file/files/piviwajesazuvusefome.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1609ead6ddb8eb---96399884096.pdfIn PDF document text
  • http://architettoannalisatinelli.it/userfiles/files/51176967121.pdfIn PDF document text
  • https://baongochoa.com/upload/file/34728442170.pdfIn PDF document text
  • https://augsburger-dartliga.de/uploads/file/petubesozewu.pdfIn PDF document text
  • http://speckletrack.com/update/editor/file/nesulesizirefifidi.pdfIn PDF document text
  • https://benjamindreyer.com/wp-content/plugins/super-forms/uploads/php/files/c7f6903447855edc86931fb0c01bddb3/nosatunososudej.pdfIn PDF document text
  • http://jessie.vn/images/ckeditor/files/fabutabatekapujoxizokik.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/28579096533.pdfIn PDF document text
  • http://beiks.info/public/file/30452843033.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfca797ce2---fejililikot.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/nulirijimef.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/60391509116.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=sheep+of+the+same+flockPDF 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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