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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://lazav.co.za/YmrXLWy8?keyword=capitulo%204a%20realidades%201%20worksheet%20answers%20key%20book%20pdf%202017 PDF link annotation

  • https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/dh0pspbpc4ulicvv2ggdrh0rvd/26394058566.pdfIn PDF document text
  • http://hoogbegaafdennu.nl/userfiles/file/14649550427.pdfIn PDF document text
  • https://jowovodepavilim.weebly.com/uploads/1/3/4/6/134651336/sepixozuvotib.pdfIn PDF document text
  • https://triangle-electronics.com/assets/userfiles/file/99819646829.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/o0tg1e4egkf02vsk0d4763vo51/10157023538.pdfIn PDF document text
  • https://fadabavawabup.weebly.com/uploads/1/3/4/0/134095990/bebalodutuwelizon.pdfIn PDF document text
  • https://wugeneziwepuzi.weebly.com/uploads/1/3/4/4/134494794/8599695.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16218607677b2e---nefujuv.pdfIn PDF document text
  • https://komiwego.weebly.com/uploads/1/3/2/6/132695384/7821393.pdfIn PDF document text
  • https://gapakoxolu.weebly.com/uploads/1/3/4/7/134745497/60130e7c94.pdfIn PDF document text
  • https://www.scmsgroup.org/ckfinder/userfiles/files/61952802794.pdfIn PDF document text
  • https://koxepaje.weebly.com/uploads/1/3/5/3/135350813/fuburimof_nupisaxa_xuwamede.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/162905c3edc40e---zufomes.pdfIn PDF document text
  • https://xenizejaruwew.weebly.com/uploads/1/3/4/7/134709329/xamawebul.pdfIn PDF document text
  • https://xebejadeveroj.weebly.com/uploads/1/3/0/9/130969735/7688082.pdfIn PDF document text
  • https://vozekokojexofu.weebly.com/uploads/1/3/4/6/134645554/ce13ae3d20.pdfIn PDF document text
  • http://gns3.swiz.eu/files/editor/pabezaxawejomimorix.pdfIn PDF document text
  • https://pujuxapalijened.weebly.com/uploads/1/3/6/0/136009243/pulupejesutaxula.pdfIn PDF document text
  • https://madikanolev.weebly.com/uploads/1/4/1/3/141320133/puzepugewunuvuza.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1628edc53e400a---dazuxeraluraborodatefat.pdfIn PDF document text
  • https://fevanigazotife.weebly.com/uploads/1/3/4/3/134376534/wejeranelovi_nuzitow_valifu_sivorosetava.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/8be4f8ce594ec7652cfe371815b6ec14/besedowewojusu.pdfIn PDF document text
  • https://berker-rozetki.su/kcfinder/upload/files/75797991774.pdfIn PDF document text
  • 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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