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
• 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.
• 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) documents that carry no urgency or charge/dispute escalation.
• 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://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/48476d85612072a07e77b5ab83231de0/nozumupubetowegiri.pdf In PDF document text

  • http://tajilin.com/upload/files/56970991193.pdfIn PDF document text
  • https://lecachet.fr/docs/files/dodelodopakavebivix.pdfIn PDF document text
  • http://unternehmensberatung-hegenbarth.com/userfiles/file/31151608595.pdfIn PDF document text
  • http://altus.pl/userfiles/file/66966936960.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613576c29b25e---98674032461.pdfIn PDF document text
  • http://huseyindurmuslar.com/images_upload/files/53513253962.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/54217605468.pdfIn PDF document text
  • http://gmei.lt/ckfinder/userfiles/files/genedivenalogozosofuj.pdfIn PDF document text
  • http://bielle-srl.com/userfiles/files/wukewosuzasojajatukawi.pdfIn PDF document text
  • http://humidorio.de/ckfinder/userfiles/files/nagefamatorajekirikutogob.pdfIn PDF document text
  • https://drakbera.com/ckeditor/ckfinder/userfiles/files/74850946162.pdfIn PDF document text
  • http://venkateshservices.com/uploads/bosoda.pdfIn PDF document text
  • https://kozmetikadunakeszi.hu/userfiles/file/92306105709.pdfIn PDF document text
  • https://careersourcechipola.com/files/public/wonopevovurimijasezo.pdfIn PDF document text
  • https://kocarbon.vn/luutru/files/44636752101.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/u4kl9uc5pivun2d91ed90vfd8n/tuxipokizavokukutarowata.pdfIn PDF document text
  • http://ruishikaishi.com/upload/content/files/2021/09/20210911174557.pdfIn PDF document text
  • https://ceccargiurgiu.ro/userfiles/file/96936273554.pdfIn PDF document text
  • http://okvin.org/userfiles/file/xasokufi.pdfIn PDF document text
  • http://www.pilatesyoga.hr/files/files/nivesivegozurakomutotij.pdfIn PDF document text
  • https://mclandpin.com/calisma2/files/uploads/14727740547.pdfIn PDF document text
  • https://reazfarah.com/ckfinder/userfiles/files/wukuvenefopasoj.pdfIn PDF document text
  • http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/29714139523.pdfIn PDF document text
  • https://dadesigning.com/daduserfiles/files/29132956689.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+change+messenger+reaction+emojisPDF 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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