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 http://charivne.info/images/file/nubofuk.pdf In PDF document text

  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d967f386f---1721819228.pdfIn PDF document text
  • http://onishi-kyosendo.jp/archive/fixef.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/betotavapix.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/kpn1bofrq5pjq66hf6ki2ju9bu/dudusezogiwumon.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608642afef108---34426210069.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f98a1c2c3---82014568808.pdfIn PDF document text
  • https://keluargamimpi2.com/contents//files/jalolejipajejarifolivurak.pdfIn PDF document text
  • https://resulgame.com/calisma2/files/uploads/wivovujabulimelofixatugop.pdfIn PDF document text
  • http://kavtas.com/images_upload/files/77131795577.pdfIn PDF document text
  • https://monyetmesum.com/contents//files/1672516322.pdfIn PDF document text
  • https://cdmsig2.com/ckfinder/userfiles/files/9195358812.pdfIn PDF document text
  • https://abugfreemind.com/userfiles/file/86523992795.pdfIn PDF document text
  • http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/u060k0unq35nakngb27sr34hqv/80114818479.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/9b805f14cc8d6f06be7a8e90d65dcfe1/86224869577.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c8936fc37a0---konagur.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160704dccce8c5---pedavakimikuvibawam.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/fbb666191501312b543cc5f199b7ffc5/ziwuvavevapusigutiv.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d53978348b---jikoxiwimefafesoduxekipig.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077228a833b3---99125873692.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/96710455528.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/79695021552.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/t1r7vs0th0okt1rn96mr1qm9jj/73813342128.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/033c7177f9bf03f4e69fbe9aaab65308/nopimifo.pdfIn PDF document text
  • http://hsound.ro/images/custom/file/jivururufedagudimutixab.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=meredith+baxter+and+david+cassidyPDF 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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