Malicious PDF — malware analysis report

Heuristics 7

• 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 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 http://superfishinglewood.com/uploads/files/76638670629.pdf In PDF document text

  • https://www.casestilistas.es/ckfinder/userfiles/files/81798346523.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd79c75fe9---67087946504.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609058b2bcf71---vinisesorazofexegojagumi.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1608256f9299d1---logalowivajupitawemidixug.pdfIn PDF document text
  • https://www.aledrukujemy.pl/ckfinder/userfiles/files/kilum.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/thg9bnq4osar2nlh5ikng62ub2/94427986937.pdfIn PDF document text
  • http://gizmakina.com/depo/sayfaresim/file/wanivefetalojabiri.pdfIn PDF document text
  • http://agrobud.net/uploaded/file/bizomi.pdfIn PDF document text
  • http://markasib.ru/ckfinder/userfiles/files/rerativi.pdfIn PDF document text
  • http://aliglobshop.com/userfiles/file/73518577962.pdfIn PDF document text
  • https://habibitours.org/ckfinder/userfiles/files/vokesilalimetu.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/b11c41a89333fdbe18c9775ae6c47c4c/66883363072.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/lnlkpld9e4vquji29v3etci1fp/65233199493.pdfIn PDF document text
  • http://begemot-rus.com/uploadfiles/file/2021061701062273499.pdfIn PDF document text
  • http://vrieshorst.nl/images/uploads/file/73781778864.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160872e2c41ea3---90608651499.pdfIn PDF document text
  • https://vigiweb.cl/dinamicos/files/file/45039983142.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/cvk9qtp4bs3kc9o0bh7bpo97fh/45999635918.pdfIn PDF document text
  • http://mecaniquekd.ca/upload/file/89271980940.pdfIn PDF document text
  • http://haiphongcontest.com/images/files/zovuxuturokevesomawinen.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16078f110575aa---83136063591.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/vorofidufojixumelir.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611091cee65d8---87784020758.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/651e03006a610666d87198855db23a6c/60072339845.pdfIn PDF document text
  • http://sanxuatbanthinghiem.org/app/webroot/uploads/files/70990557036.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=carnatic+music+keyboard+lessons+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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