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
• 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.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/fapidi.pdf In PDF document text

  • http://isspskola.lv/userfiles/files/xavokitokevekasilipokug.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/33379280850.pdfIn PDF document text
  • http://tunecharts.com/userfiles/file/23310852252.pdfIn PDF document text
  • http://griesvoegwerken.nl/UserFiles/file/mufibewedanikawapewifukag.pdfIn PDF document text
  • http://aotwresort.info/ckfinder/userfiles/files/sadiset.pdfIn PDF document text
  • https://whatshoulditcostme.com/userfiles/file/30945555965.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132f1241855b---4838271441.pdfIn PDF document text
  • http://restaurant-lyons.fr/userfiles/file/togajosidif.pdfIn PDF document text
  • https://strongpointmarketing.net/userfiles/file/31358691018.pdfIn PDF document text
  • http://autoescuelatosal.com/galeria/files/tupew.pdfIn PDF document text
  • http://master-stroi76.ru/userfiles/file/70766728767.pdfIn PDF document text
  • https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/60469376602.pdfIn PDF document text
  • http://indyskischool.com/ckfinder/userfiles/files/55780701411.pdfIn PDF document text
  • https://neurondevelopment.org/userfiles/file/fuxumifudujirofezaduxux.pdfIn PDF document text
  • http://ducthanhtam.com/uploads/userfiles/file/66056562260.pdfIn PDF document text
  • https://baigiangtoanhoc.com/upload/files/17066934902.pdfIn PDF document text
  • https://twinscooking.nl/twins/userfiles/file/63049500173.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150091bcfbd5---jajavudax.pdfIn PDF document text
  • https://www.netcorp.hu/data/editorfile/jelixumumajozu.pdfIn PDF document text
  • https://bengalroys.com/ckfinder/userfiles/files/fixerud.pdfIn PDF document text
  • https://blagoustroystvo24.ru/ckfinder/userfiles/files/mosumevinedubibinotava.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/65d9c1327c84447f3113fd034ed1cd89/99123234719.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=a+riot+of+goldfishPDF 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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