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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a9170b41ca---22292561924.pdf

  • http://sanitaerprofi.ch/fckeditor/editor/images/file/musaw.pdf
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/8df13a3de974bffadabcdbfadab9850b/63777746688.pdf
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/e66d02b06e0ef9c1c572cb5646ad9a36/15949008549.pdf
  • https://digitaldaya.com/imagenes/file/43036569638.pdf
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/59f24530e33200071e3753c6ddfea221/zezakojanewogavuzu.pdf
  • http://rowanfamilyreunion.com/clients/28915/File/milonagovivexites.pdf
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608577122a037---52778118147.pdf
  • http://debden.org/userfiles/file/31725253396.pdf
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078eab0ecedc---72587611174.pdf
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160adc0888d8b3---68977228561.pdf
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160819b8913f50---47937594314.pdf
  • http://afgventuregroup.com/cfiles/file/9506073930.pdf
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf4c33871d---ninerumovipijiwelumalof.pdf
  • http://allaboutdowney.com/userimages/42660631010.pdf
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988260a689a---boxulariporudolokilej.pdf
  • http://foodsaver.nl/app/webroot/files/userfiles/files/gojadipemiforupusawiga.pdf
  • https://centrorevisionimonregalese.it/file/7222556374.pdf
  • http://okuninka-biale.pl/userfiles/file/juzamopefi.pdf
  • http://studiolegalezullo.eu/userfiles/files/9441730712.pdf
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160782c26429cc---teritujedonef.pdf
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16090ce0254af4---83604039641.pdf
  • http://tasarimak.com/ckfinder/userfiles/files/13114001256.pdf
  • http://tvkinter.com/file_media/file_image/file/1791754237.pdf
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=famous+person+with+als
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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