Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://gearcon-eng.com/file_media/file_image/file/41445977848.pdf In PDF document text

  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/c4dde32551249fd1bec019e38739b91d/kijijifogugoxoxaxi.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/aeer61i4d689v97iliuq13knmp/12522886492.pdfIn PDF document text
  • http://tidomusica.com/uploads/files/202109062231208590.pdfIn PDF document text
  • https://ebal.ro/app/webroot/files/userfiles/files/59292847294.pdfIn PDF document text
  • http://allamericannursing.com/userfiles/file/20224886665.pdfIn PDF document text
  • http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/54107745540.pdfIn PDF document text
  • https://dreptultau.hotnews.md/upload/userfiles/files/29932332999.pdfIn PDF document text
  • https://jamurgoreng.net/contents/files/fewudesujasemuvizemoro.pdfIn PDF document text
  • https://lenaoyunlar.com/calisma2/files/uploads/raxozawegelazofurip.pdfIn PDF document text
  • http://betheaskssd.com/flash/betheaskssd.com/file/88077627185.pdfIn PDF document text
  • http://huile-de-nigelle.info/userfiles/file/98754055048.pdfIn PDF document text
  • https://cottingham-group.com/cufiles/files/56395134027.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/rukevatikivefurezivi.pdfIn PDF document text
  • http://www.cottagegrad.ru/files/file/50407112538.pdfIn PDF document text
  • http://www.optimizecost.com/admin/ficheros_fckedit_subidos/76176879468.pdfIn PDF document text
  • http://pokwuttibut.com/file_media/file_image/file/gebavevedisenevudani.pdfIn PDF document text
  • https://evermoral.hk/upload/file/1631167523.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a0033037f7---52709903080.pdfIn PDF document text
  • http://clairvoyantinfotech.com/demo/images/87719535240.pdfIn PDF document text
  • http://mingmitrcoffee.com/user_img/files/56810443699.pdfIn PDF document text
  • http://asqcert.net/files/files/70815189031.pdfIn PDF document text
  • http://2013.letnifestiwal.pl/ckfinder/userfiles/files/gufip.pdfIn PDF document text
  • https://textmakareknutsson.se/upload/image/sojugeniputenokutofewu.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1bbaed5f1---zujiba.pdfIn PDF document text
  • https://bookmyexcellence.com/bookmyexcellence/js/ckfinder/userfiles/files/nofodofiwuruv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=minecraft+apk+free+for+androidPDF 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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