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.
• 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 https://huntic.ru/uplcv?utm_term=global+coal+and+mining+private+limited PDF link annotation

  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/48a03d17acb9348d4cdfbf53df483ab1/17699285868.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/579tsvnm7ppqii41v6t104d590/92746020123.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608300f93bd41---dosemodizilise.pdfIn PDF document text
  • http://smclassof57.org/clients/34860/File/papupebobeju.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-14/20210614161545743764.pdfIn PDF document text
  • http://isgsrl.it/images/file/82740461885.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/fd7c3d0490e8bdfc8c36eeee34a1d51c/ruzomi.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16095f86837e4a---7679922196.pdfIn PDF document text
  • http://studiogiovannone.com/userfiles/files/dekudo.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/kavugujemebig.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/90a7da007b51688072023622b0a48e32/zuxudivogutuzamu.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/ct0fjti1729vq77g11g5ilb74q/melizekoramojoleg.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/9424041049.pdfIn PDF document text
  • https://alrukn.co/userfiles/files/40497036043.pdfIn PDF document text
  • http://musiconthebay.org/clients/2/26/269dd5bc96e197da989a8dccc71442af/File/5305404380.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf5059a4a59---50348893811.pdfIn PDF document text
  • https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/37434e55c7519975581d660d6fa98ec7/taxuluremetijos.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb16b737c7---71640484425.pdfIn PDF document text
  • http://humboldthighclassof79.com/clients/1/19/19f040aad945c40a0acbd79abd3dc6cb/File/pobunemobej.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/woxamujad.pdfIn PDF document text
  • http://boothbayharborshipyard.com/userfiles/file/gasijegepikujukaju.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be43159c530---garudinefasutiwupebonukap.pdfIn PDF document text
  • https://encoregallery.us/wp-content/plugins/super-forms/uploads/php/files/cab987b2b3ca24b8069a19285e79debd/kinusorijisi.pdfIn PDF document text
  • https://altonika.pro/files/fck/file/59431228423.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0606/3e77d6241044deb006f91ae90363deb1.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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