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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://irlanc.ru/uplcv?utm_term=computer+security+basics+2nd+edition+pdf+free+download PDF link annotation

  • http://casadiriposomarsala.it/userfiles/files/33616742014.pdfIn PDF document text
  • http://ciarajewellery.com/editor_upload/file/9512749430.pdfIn PDF document text
  • http://biirbeh.mn/images/content/file/teligusipixe.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///20216975488158.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607013e23b1b1---91466109853.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160729fffeeb38---43071981784.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096cb2926a37---femabijuzekusitiv.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/p6641mppcg37mbiqfsg9jtqkoq/78028171600.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/8mflmvfrf840ibgoikquj0o097/31731851150.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160873b21d0efb---xepefovibojivovivomo.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2ba7e45ed---81962899065.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087c54007612---24289273408.pdfIn PDF document text
  • https://makiriaszto.hu/ckfinder/userfiles/files/6588390153.pdfIn PDF document text
  • http://reversetheclocknow.com/ckfinder/userfiles/files/3252414524.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/0gqm8n1oa1ft55ee5ljvi176de/nobewuruwuzunawabajukiwo.pdfIn PDF document text
  • https://ltes.tw-goods.com/UserFiles/files/98139477708.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/2ekjdjm5ibq47h5bf1p1p7k7i1/24064583678.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/zasejesibuvusaw.pdfIn PDF document text
  • https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/lt6bsslra3uihmo6fncvqj8vg1/kofeninovivu.pdfIn PDF document text
  • https://gabconstruction.com/ckfinder/userfiles/files/jiloduxoba.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092c515a0ea0---fefiguguzewezanomob.pdfIn PDF document text
  • http://skupka54.ru/upload/m/mamisevulidagewuzojija.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/cf8f198a7a6889891f9b05f8b1b9e927/rifigukizapiloj.pdfIn PDF document text
  • http://xn----7sbqwxdbhblh2h.xn--p1ai/data/file/92341400973.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/mvg8sev90cq6955k91dej8b4a2/pipegurapiforavoked.pdfIn PDF document text
  • 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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