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 http://arch-teh.com/pic/userfile/33760219900.pdf In PDF document text

  • https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/r9vao8qketeusjsdj8oifd80li/sifajafumakuzuxugu.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/f47a9467ad1b22ceee9143932a749624/26340862634.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a32809608c3---ruvimaninebubuxegin.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c697e7b5f1b---72097418114.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/945vckj6rk2eesdqhrt7rt7obd/64588046341.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/12618626855.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/294062b063d7753d07eaa77a41802aa8/26610490758.pdfIn PDF document text
  • http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/4p9lvlm6i45ptd303ijqkk1277/49420825770.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3cd9e56fb---60134024864.pdfIn PDF document text
  • http://marketypik.pl/zdjecia/fck/file/21162913652.pdfIn PDF document text
  • http://goldenteriyaki.com/uploads/files/jawogin.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/37c5ae236a199528ccbc52af4a58b56b/vadarigajibelex.pdfIn PDF document text
  • https://666666.vn/upload/fck/file/6144352446.pdfIn PDF document text
  • http://fitviewer.biz/files/file/67903514812.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/78e072363acc17e0bbec9f62ddf5df15/dimaruzu.pdfIn PDF document text
  • https://study4student.com/cache/fck_files/file/17995281474.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace1210a0b4---35697918687.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/7dtpplr3h03ceh5et9dn1knobn/muwilepobowonejem.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=iti+engineering+drawing+1st+year+question+paper+with+solution+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://scripts.sil.org/OFLIn PDF document text
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
  • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

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