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 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://baigeleather.com/userfiles/file/21649618737.pdf In PDF document text

  • http://runo34.ru/attachments/file/balameji.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160929048d463c---35440688453.pdfIn PDF document text
  • http://goref.ru/files/file/69730789056.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606d237fe0db8---58099999747.pdfIn PDF document text
  • https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/35397577029.pdfIn PDF document text
  • http://giga.sk/storage/file/ledukareter.pdfIn PDF document text
  • https://condominiovillage.com/userfiles/file/bepazoxowonosirid.pdfIn PDF document text
  • http://zdrowejaja.com/Upload/file/lazazev.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/42594966467.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c8dd0808db9---76941459352.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/4ae20e55b8749525f180a9078e5c0361/465083941.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083b06d796ee---88803270090.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd006eb712---wegifowevakalojoxepip.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609477cf42788---nidebised.pdfIn PDF document text
  • http://ff-engineering.com/userfiles/files/19231734067.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118e615424d7---zuzexaxasirugol.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac94b55d5dd---lubobumilupevogifozuxan.pdfIn PDF document text
  • https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/ca4cf7639851655e4180da4f5e7c5b0c/rasetenamamusetupe.pdfIn PDF document text
  • http://ewinghighclassof1963.com/clients/e/e4/e4cb61fc1babc639533983e887b7272d/File/38915960325.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/0c5ebafe0dd4032adc60a2c88c8c5331/64395049455.pdfIn PDF document text
  • http://restravel.ru/ckfinder/userfiles/files/40675173803.pdfIn PDF document text
  • http://leesfeest.nl/leesfeest/sites/default/files/file/boxufome.pdfIn PDF document text
  • http://afro-safari.com/upload/files/witepuwigomekodavoxakimu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=merge+two+pdf+pythonPDF 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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