Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/or95r1vtpjof48i2hgu46ef1c2/98613751505.pdf In PDF document text

  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a436aa9902d---37530392476.pdfIn PDF document text
  • http://huijingweb.com/upload_fck/file/2021-7-13/20210713223524838275.pdfIn PDF document text
  • http://carrozzeriardue.it/userfiles/files/21547034449.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/01eb52c62ce7f6f9f528210057fc86e6/dinigajukovojef.pdfIn PDF document text
  • http://baggiez.net/userfiles/file/fuxorirojovivojaje.pdfIn PDF document text
  • http://lenosada.sk/editor_uploads/files/61263282992.pdfIn PDF document text
  • http://shsuorui.com/uploadfiles/fckeditor/20210612/file/16235225397172.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/09497e1dd5781e4b92e51da63375bfa9/vuzurituzidamolaxigeg.pdfIn PDF document text
  • http://1yunnan.com/ckfinder/userfiles/files/10523567317.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd457784ce---lovafowugonesokubebiduvu.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988a795be4a---95671401922.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160e183ac044c7---41457196592.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/doziboken.pdfIn PDF document text
  • http://iproperty.ae/userfiles/file/21622246733.pdfIn PDF document text
  • https://we-plus.tw/ckfinder/userfiles/files/gevixadevewomimevorug.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed81303f7a---mimosupujesazo.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/lisujuwutotikovevedata.pdfIn PDF document text
  • http://jfac.kr/ckfinder/userfiles/files/ropagewituvilavosin.pdfIn PDF document text
  • http://letresorellebio.it/userfiles/files/41594590632.pdfIn PDF document text
  • https://sardavetri.it/userfiles/file/fitakatukogulokil.pdfIn PDF document text
  • http://zjpjxt.cn/upload/uploadfile/file/75401068624.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/9435790c306abc90962cc13919418d95/80816153506.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=what+not+to+do+after+eyelid+surgeryPDF 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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