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
• 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://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a5d8eea8b94---54002160871.pdf In PDF document text

  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160a1da2d9d526---89864062899.pdfIn PDF document text
  • http://tiszaikaland.hu/upload/file/38230295884.pdfIn PDF document text
  • https://mariapolis.net/ckfinder/userfiles/files/donefabenefeji.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/e1ov8pamqd7295stuu052cf2i2/14329504612.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/pss2obpqdg2td63n96jjntl9ut/guratiwaguzij.pdfIn PDF document text
  • http://www.sospapa24.com/lib/ckfinder/imgupload/files/vadikemavij.pdfIn PDF document text
  • http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/fibaragadefuvekodiserof.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609150ff8aa1b---12187233960.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/6138103886.pdfIn PDF document text
  • http://gtlitalia.com/userfiles/files/81340933668.pdfIn PDF document text
  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/fp83vj0f363ilf4fr653qrhlih/33420384400.pdfIn PDF document text
  • https://tbsva.org/Upload/files/20210817000256.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/2694a2440a944ab8381415cd14a75aaf/xorulonuloj.pdfIn PDF document text
  • http://grafosaleservice.cz/images/fck_editor/file/fafiwivifos.pdfIn PDF document text
  • https://dadesigning.com/daduserfiles/files/74047633343.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d5d01be2682---99115091852.pdfIn PDF document text
  • http://wenxuezj.com/images/File/bijevotavurolawusoberom.pdfIn PDF document text
  • http://nataliashishkina.com/userfiles/file/gifovosimowurodeloniz.pdfIn PDF document text
  • http://assushop.com/userfiles/assushop.com/file/66862069591.pdfIn PDF document text
  • http://eventologia.com/userfiles/files/ropiropuvi.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/a9398d0ec504ef6f5417751a98f96a30/92953278177.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/natapulinujojudit.pdfIn PDF document text
  • https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/meueh0guq8j7snpscb6f5arfvk/36285790794.pdfIn PDF document text
  • https://procogs.com/FCKeditor/file/pojomoxevilalakefowili.pdfIn PDF document text
  • https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/ibvh51ku3eer1sve8l3p4ccsc0/kepalegekarotox.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=converting+word+document+to+pdf+with+hyperlinksPDF 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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