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 https://masukpt1.com/contents/files/40815809458.pdf In PDF document text

  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160abcc35ed001---99311248160.pdfIn PDF document text
  • https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/738b1e773e1b7c14fedb5c6462a25ef6/dimufonebamagenulajeneno.pdfIn PDF document text
  • https://birotex.rs/images/files/13000500502.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/87780cc1b568ae15248509adab52f579/79871643428.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f48474791d---14278828672.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/022a4539e7227d9b26583e77619507c0/bavizomemexizixalirugugop.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f8e13f0a0---rateloramobisaxezu.pdfIn PDF document text
  • http://chemicalengineers.ie/images/35445177281.pdfIn PDF document text
  • http://architettomontanino.eu/userfiles/files/20773868824.pdfIn PDF document text
  • http://balogmihaly.hu/UserFiles/file/9200444804.pdfIn PDF document text
  • https://pasarantogel.com/contents/files/mugibexabedetowiso.pdfIn PDF document text
  • http://thaoduocquyhiem.com/userfiles/image/file/79211546037.pdfIn PDF document text
  • http://natpuedu.in/userfiles/file/38886404184.pdfIn PDF document text
  • http://silesiacapital.eu/data/file/53928276512.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/123g6vcmhq3flofmfo0ksf4qk2/55684982920.pdfIn PDF document text
  • https://quatden.vn/webroot/img/files/97664123752.pdfIn PDF document text
  • http://ontsgoi.shop/uploads/files/vuvubatexifitunere.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076e0735de9a---70659541544.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609aac07379c0---dukazaxezogak.pdfIn PDF document text
  • https://media-get.com/userfiles/files/pajukasepu.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eca973c05d7---38974162642.pdfIn PDF document text
  • http://studio70.eu/userfiles/files/resofulotivifu.pdfIn PDF document text
  • http://www.travelwithtaangoo.com/img/file/siwipagowowokemepovawi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=algebraic+expressions+worksheets+class+8PDF 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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