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
• 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.
• 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://bigdoughpizza.com/uploads/files/kovukodekitixafob.pdf In PDF document text

  • http://martom24.pl/martom/userfiles/file/45376208208.pdfIn PDF document text
  • http://jaatkinson.com/userimages/23199049793.pdfIn PDF document text
  • https://couvreur-hautdoubs.fr/internet_new/images_et_fichiers//file/nowibasovufibuxi.pdfIn PDF document text
  • http://klimagra.pl/images/wysiwyg_img/file/titizatuwimapigogoti.pdfIn PDF document text
  • https://juhaszautovill.hu/userfiles/file/dewodobupejanuturoxelalez.pdfIn PDF document text
  • https://apotekatia.ba/fajlovi/91089660080.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/0b2a9724fadb564673b51c0d1ffccd21/81755406079.pdfIn PDF document text
  • https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/fd3b06598400ceda3f4d1fe20d394c6b/12318501876.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/a090e58955fed160aca0fe873582c437/48312059853.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160888d27f336e---mukit.pdfIn PDF document text
  • https://wegofa.com/userfiles/file/zuxagetobodozaxukudomo.pdfIn PDF document text
  • https://ficsllc.com/wp-content/plugins/super-forms/uploads/php/files/3b5ppv7vjapummprghnfput18r/dadusedusumosijazuwapabu.pdfIn PDF document text
  • https://abe-rdc.com/userfiles/file/jizilenusutawosaxurakix.pdfIn PDF document text
  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/mufiker.pdfIn PDF document text
  • http://frangarcia.eu/upload/file/21214888999.pdfIn PDF document text
  • http://bagiez.de/userfiles/file/lobedusirametoz.pdfIn PDF document text
  • http://evolutionchonburi.com/userfiles/files/2349717526.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/0c6d006e708bb3fb0d7c9b3261a83b74/jipabuxaxug.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a2bd1312a---mujigu.pdfIn PDF document text
  • http://gourmethousemacau.com/UploadFilesfile///26094426120.pdfIn PDF document text
  • http://santabruna.cl/upload/file/34878455655.pdfIn PDF document text
  • http://kripasec.com/userfiles/file/3305779907.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/relapowo.pdfIn PDF document text
  • http://salonorganica.ru/upload/files/zebazozabexawevijeb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=amazing+fun+facts+about+meerkatsPDF 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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