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.
• 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.
• 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 https://allytemp.ru/uplcv?utm_term=descargar+app+snaptube+mp3 PDF link annotation

  • https://kovtec.pl/eurostyl/photos/file/mubotovoseraji.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/e382155f06b021ad0bc19e9813bcadf2/4880291515.pdfIn PDF document text
  • http://gordostcrista.ru/userfiles/file/buwafokujufava.pdfIn PDF document text
  • http://alanaf.ru/userfiles/files/wagafujupirefusarumoxosi.pdfIn PDF document text
  • http://aisne.proximeo.com/ckfinder/userfiles/files/wuvidotutux.pdfIn PDF document text
  • https://theptaynam.vn/upload/files/96751933276.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c467b36e9e---12909808403.pdfIn PDF document text
  • https://keongracun.org/contents/files/36150607995.pdfIn PDF document text
  • http://icloudcleaners.com/uploads/account/autoresponderfiles/pusosizofitutilonuba.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16133d8d9dc6d3---52029984833.pdfIn PDF document text
  • http://sinostandards.net/upload/files/53468377013.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/9261520215.pdfIn PDF document text
  • https://bistakalikotenetwork.com/userfiles/file/95266077664.pdfIn PDF document text
  • http://thermogroup.ru/uploads/files/fadaruzelifobeja.pdfIn PDF document text
  • https://htcpost.vn/vietpost.vn/img_content/file/6346886226.pdfIn PDF document text
  • http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/45849349255.pdfIn PDF document text
  • http://ilovehikari.com/uploads/files/tezosedogitiwikonenuse.pdfIn PDF document text
  • https://pinyardim.com/calisma2/files/uploads/42267488435.pdfIn PDF document text
  • http://realfootball.gr/userfiles/file/kokemipixukadudonogojuxe.pdfIn PDF document text
  • http://hwayoung.kr/upfile/files/1555927231.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f601b8cef---linigururute.pdfIn PDF document text
  • https://a-pointpro.com/cms/ckfinder/userfiles/files/towekijevupekipavupeg.pdfIn PDF document text
  • https://pielinks.com/UserFiles/file/84116349870.pdfIn PDF document text
  • https://www.tahitotfalu.hu/ckfinder/userfiles/files/kagixalov.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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