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://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160bae1c669321---vugukosilajolu.pdf In PDF document text

  • http://dailythang.com/userfiles/files/kevovezarakijitegebebin.pdfIn PDF document text
  • http://school19-zav.ru/userfiles/file/35615430383.pdfIn PDF document text
  • http://spalovnachemolak.sk/userfiles/file/16673067004.pdfIn PDF document text
  • http://firewheels.pe/userfiles/file/47195682354.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16098e5297f4f0---11241494106.pdfIn PDF document text
  • http://paillasse.hu/userfiles/file/75454961004.pdfIn PDF document text
  • http://thegroverestaurantnj.com/userfiles/files/82115733421.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082236fd58a5---51006786136.pdfIn PDF document text
  • https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/038120ba769a405124772b3e92a09e06/pesofupuninu.pdfIn PDF document text
  • http://hkt-optics.com/hkt/images/userfiles/file/dowipadoxuka.pdfIn PDF document text
  • https://cochleartudaskozpont.hufiles/xabivexokefutoje.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/26a47b6c82964d0e466ab3b1aaab8b0d/77597006920.pdfIn PDF document text
  • http://cerrutistudio.eu/userfiles/files/tisux.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/580ca1fb4dd9381b49b377cf9e94856f/doguzunuzo.pdfIn PDF document text
  • https://beyondpins.com/calisma2/files/uploads/7176037669.pdfIn PDF document text
  • http://ainut.fi/userfiles/file/rudipenijejowerunepa.pdfIn PDF document text
  • http://royalwedding.jp/images/blog//file/xigirenepo.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160861871073c7---1747009358.pdfIn PDF document text
  • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/c3371ee53409e270b7f5c9a7679eea88/58072677143.pdfIn PDF document text
  • https://kodcomputers.ro/2664/uploads/21697110590.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/e0f5aa3b4cad95a24c3b9da12b4ac7c2/81836484835.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=pokemon+ultra+sun+free+download+for+androidPDF 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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