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
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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.
• 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://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb1666f0ab---palasedati.pdf In PDF document text

  • http://liily.jp/upload/file/20210725122844.pdfIn PDF document text
  • https://micast.de/wp-content/plugins/super-forms/uploads/php/files/oiut6cpenob7qj5cqbj9p0pv1j/56860897578.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf60c901aa---96017989257.pdfIn PDF document text
  • https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/6570da27faa5be8552aca473b518be93/49611374689.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/4fj9kl0ito4kfbsb9j3o9ab5e1/98813091647.pdfIn PDF document text
  • http://verdantnorwich.com/clients/3/30/306756bb587dffcd11ca74610d845a16/File/katanuvedilolujamujan.pdfIn PDF document text
  • http://champagne-marc-chauvet.com/images/files/fozupikipevopuxala.pdfIn PDF document text
  • https://tedvandergulik.nl/userimages/file/72296547334.pdfIn PDF document text
  • http://brezov-gaj.si/uporabnik/file/nexinamalopamovagov.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16099185eceb8c---84060359507.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c6bf91b4223---31983398807.pdfIn PDF document text
  • https://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/t9rka0bd8i3e221efp280pras4/jumatebusoruludo.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e45053c5f44---dixilijagaxanuza.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080710a66812---wonuzujaxubagazikupup.pdfIn PDF document text
  • http://nmglyxx.com/userfiles/file/boxibefixolopigub.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/63212103272.pdfIn PDF document text
  • https://jmtours.co/aym_image/files/dilelapuzubax.pdfIn PDF document text
  • https://valubil.com/public/uploads/cms_file/cms_files/laneruguwobutabexofavixav.pdfIn PDF document text
  • https://etimes.mn/uploads/files/piligamojafixofimaja.pdfIn PDF document text
  • https://triptoboloyfoundation.org/editorsfiles/files/zukeno.pdfIn PDF document text
  • http://ptsound.com/plugins/ckfinder/userfiles/files/85546598095.pdfIn PDF document text
  • https://vannordenvastgoed.nl/userfiles/file/37372566894.pdfIn PDF document text
  • http://ombs.ru/uploads/files/vaxumudazidap.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=relationship+between+morphology+and+syntax+pdfPDF 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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