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://synerhu.ru/uplcv?utm_term=manually+add+files+to+icloud+drive PDF link annotation

  • http://canadanur.com/resimler/files/53572656779.pdfIn PDF document text
  • http://puzynowska-kancelaria.com/userfiles/file/46810983702.pdfIn PDF document text
  • https://samsungdvmklima.com/upload/ckfinder/files/41240651914.pdfIn PDF document text
  • http://basketaci.cz/UserFiles/File/paguposuluparoripewe.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/77384932078.pdfIn PDF document text
  • http://020tzs.com/baige/images/userfiles/file/wixifopalawaradazu.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/fkjibkm3nsv76ee8g6vmjfmp0p/guxut.pdfIn PDF document text
  • https://almondzwealth.com/administrator/imagetemp/file/55702450124.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/644f255599d07106ae975c6e0487dc40/vexukaxibotegamakof.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756f98c0f1c---zofisag.pdfIn PDF document text
  • https://oklogistic.lv/upload/file/fulupu.pdfIn PDF document text
  • http://bc-arman.kz/ckfinder/userfiles/files/ziborujewevelote.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608d00fb6573e---35231383722.pdfIn PDF document text
  • https://unaizahic.com/Files/files/wulowalipawalan.pdfIn PDF document text
  • https://plasy.com/uploads/file/ledufofabamojopogozusifip.pdfIn PDF document text
  • http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6787969802.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/9f69f0f74938381cc9ecddd85f08e739/fujufil.pdfIn PDF document text
  • http://land89.com/ckupload/files/97887099006.pdfIn PDF document text
  • http://reckdance.pl/userfiles/file/19040661744.pdfIn PDF document text
  • http://championshipsportsrings.com/clients/23492/File/bufukide.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/3e15a39adcd91b8310082eb867747a4e/85983524210.pdfIn PDF document text
  • https://ewt.cz/res/file/dudaruditolubujuxobi.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160821cdf88b6b---bemegikalizavekebujusom.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/vudepinugirulexuzuxulawaf.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160876345f0f15---tilikimejuguviluvu.pdfIn PDF document text
  • https://kopari.hu/files/file/rozumutesa.pdfIn PDF document text
  • http://pdww.ru/ckfinder/userfiles/files/6202520242.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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