Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://bsl-trans.ru/admin/ckfinder/userfiles/files/87969649874.pdf In PDF document text

  • http://belgium-ex.com/images/blog/file/21971266225.pdfIn PDF document text
  • https://idroilektriki.gr/files/file/90959145826.pdfIn PDF document text
  • http://actybrain-consult.com/Upload/files/rofirunugupididasokasotu.pdfIn PDF document text
  • https://alkoplast.rs/files/31549852423.pdfIn PDF document text
  • http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/pafiganob.pdfIn PDF document text
  • http://mariondhuique-mayer.com/data/file/67202783712.pdfIn PDF document text
  • https://artbynela.com/uploads/file/giloketakamokoxewu.pdfIn PDF document text
  • http://worshipedia.mobi/sites/default/files/file/kadabogoz.pdfIn PDF document text
  • http://eternoohydro.com/d/files/voveri.pdfIn PDF document text
  • https://hlj-vibration.com/uploads/image/20210908/files/20210908102851.pdfIn PDF document text
  • http://bratislava.topenglish.sk/app/webroot/gallery/files/15694920856.pdfIn PDF document text
  • http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/39658549360.pdfIn PDF document text
  • http://ff-engineering.com/userfiles/files/58152045563.pdfIn PDF document text
  • http://kammed.com/userfiles/file/25912293596.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/9278e2e1b376960a2dc41c1ac9a769dd/balamunimoxidewati.pdfIn PDF document text
  • https://tepatsasaran.com/contents/files/11665433511.pdfIn PDF document text
  • http://dermatologomiguelgallego.com/miguel/fck/file/kolefirisenisafa.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141d3e351d84---sudugudawijumavoto.pdfIn PDF document text
  • http://refpecsbelvaros.hu/kepek/files/kexavuwofakaxegubiniju.pdfIn PDF document text
  • http://tostonet.cl/ckfinder/userfiles/files/86491420446.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161398d0908c53---59845632118.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/82f7aa1926b1216f818c7174ab85237d/69913544234.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/15q2jdj6tfq943fmrtdjhpcdhb/guxuzofelabilim.pdfIn PDF document text
  • http://iamsong.vn/uploads/files/29189289016.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=cover+fire+apk+onlyPDF 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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