Malicious PDF — malware analysis report

Heuristics 9

• 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.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://wirut.co.za/YmrXLWy8?keyword=uba%20aptitude%20test%202020%20pdf%20download%20pdf%20file%20online PDF link annotation

  • https://pulakaxumif.weebly.com/uploads/1/3/0/7/130776647/vifuvow.pdfIn PDF document text
  • https://xuvunigito.weebly.com/uploads/1/3/1/1/131164310/luvepotaba.pdfIn PDF document text
  • https://vujanakisa.weebly.com/uploads/1/3/4/4/134401771/def3997.pdfIn PDF document text
  • http://bangkok.union.travel/ckfinder/userfiles/files/73707937844.pdfIn PDF document text
  • https://febotagi.weebly.com/uploads/1/3/4/7/134728548/pabupobagerovo_dugiderip.pdfIn PDF document text
  • https://letazofuwukuge.weebly.com/uploads/1/3/4/8/134869061/e0b7a1a1.pdfIn PDF document text
  • https://pulsekb.ru/admin/ckfinder/userfiles/files/reluzowerofuzejetosesoxos.pdfIn PDF document text
  • https://xavitutasufeja.weebly.com/uploads/1/3/4/6/134669981/b9323.pdfIn PDF document text
  • https://wetivaxidufe.weebly.com/uploads/1/3/4/8/134891283/likebomanepel.pdfIn PDF document text
  • https://coastalstudio.com/images/main/file/67581953742.pdfIn PDF document text
  • https://netiwililisal.weebly.com/uploads/1/3/5/3/135398280/tasonuv_furefig_nepimafes.pdfIn PDF document text
  • https://buwapagav.weebly.com/uploads/1/3/1/3/131383965/1983845.pdfIn PDF document text
  • https://tevivije.weebly.com/uploads/1/4/1/5/141565791/teruziboxujokasifum.pdfIn PDF document text
  • https://donapubiniwid.weebly.com/uploads/1/3/4/3/134321809/6dd743199.pdfIn PDF document text
  • http://newpacksy.com/admin/kcfinder/upload/files/vaxus.pdfIn PDF document text
  • https://mirotimazafisel.weebly.com/uploads/1/3/4/3/134352803/e5b609c125.pdfIn PDF document text
  • https://gesakulapexele.weebly.com/uploads/1/3/4/3/134310334/d1754d.pdfIn PDF document text
  • https://tujuwofaxeg.weebly.com/uploads/1/3/2/8/132814826/6181137.pdfIn PDF document text
  • https://xuravamu.weebly.com/uploads/1/3/2/7/132740838/seketefudewasa_rolinizapolog_dujesejaradazo.pdfIn PDF document text
  • http://marmaraisg.com/images_upload/files/jetoxevivalirelowowoxaf.pdfIn PDF document text
  • https://xosavufubat.weebly.com/uploads/1/3/4/3/134346154/rajeb.pdfIn PDF document text
  • https://gixorinimomavam.weebly.com/uploads/1/3/2/6/132695995/62914aa2b3.pdfIn PDF document text
  • https://gemumumesuligiv.weebly.com/uploads/1/3/4/3/134318519/b0b23.pdfIn PDF document text
  • http://unalmusavirlik.com/userfiles/file/28092068686.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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