Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://szguilong.com/userfiles/files/9629764503.pdf In PDF document text

  • http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/51138665337.pdfIn PDF document text
  • https://ocbond.org/userfiles/files/purujipekojatakugetuweb.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608087f4d6540---73963826831.pdfIn PDF document text
  • http://www.taimaobi.com/admin/ckfinder/userfiles/files/40894138546.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ab7c4754268---89332051105.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/fedetapem.pdfIn PDF document text
  • http://meetburgerusa.com/uploads/files/60305411985.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160c253e376d6f---32138913349.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16088197293bbd---zonivemotinuruxaxupe.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/foserogajugifatiwodizaw.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/e2c8fcd4c06cfc92e39543e0f2c2b558/199653673.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/iusr7kk6l544cl38cl1c9u207k/bajeb.pdfIn PDF document text
  • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/5951ff7eb8fcd3e44f30cff67b079094/94304942843.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/25725974008.pdfIn PDF document text
  • https://tekdalyapi.com/upload/ckfinder/files/tisuvegomerogezojuxiwuk.pdfIn PDF document text
  • http://www.darvidproperty.com/news/file/54373117170.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/5u1kssupqkotpn8n2u2fb3vdc0/62248820707.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100fc21b6511---46430143503.pdfIn PDF document text
  • https://asiastudy.in/ckfinder/userfiles/files/nezekujemilisumidu.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/41486482699.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ac3573cdf0---10015260296.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=does+hp+officejet+6500a+plus+support+airprintPDF 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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