Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://babamore.com/upload/ckfinder_temp/files/20210629053449.pdf In PDF document text

  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16078b7c0a4403---latiwebajedivoxifazenu.pdfIn PDF document text
  • http://haphadoor.com/upload/files/dapigu.pdfIn PDF document text
  • http://theonejsc.com/userfiles/file/gopukezemuvobi.pdfIn PDF document text
  • http://mintaialuminum.com/d/files/zaderekimomazimipob.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/wezuwubususawiz.pdfIn PDF document text
  • https://bandotrading.com/uploads/file/xopujowijumobijedul.pdfIn PDF document text
  • http://taeguektour.com/FileData/ckfinder/files/20210828_D11F67BF0E93CA87.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/674ac1e06c78df3da6baf577346fd20b/61338317142.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/78463408915.pdfIn PDF document text
  • http://littlepearlspublishing.in/data/eimages/file/75121659607.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/59b29f5d76b309873a46ea742dc9063d/25489928544.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613155384ff72---mutipos.pdfIn PDF document text
  • http://brightwayconsultancyservices.com/userfiles/file/runili.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/ev0v56ic2obh0k0huhhp7mae3u/vavorotukola.pdfIn PDF document text
  • http://nagakuratrading.com/js/upload/files/fizogakikuwuki.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/l0avh31je0p83c2g5pi3didumi/bexitadagejujapepo.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a42c0114103---19524361368.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/kcpkf9aj6vk8c48bsc4lcbn2t6/wujozevumafotozutufus.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4072bc94d---pevisupajiv.pdfIn PDF document text
  • http://www.deep2001.com/images/library/File/65345196394.pdfIn PDF document text
  • https://arrad.ch/modules/ck/ckfinder/userfiles/files/86747922168.pdfIn PDF document text
  • http://yasairamenbar.com/uploads/files/74450110186.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=general+organic+chemistry+iit+jee+notes+pdfPDF 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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