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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• 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://aiaciran.org/cache/fck_files/file/zovixoroxiv.pdf In PDF document text

  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce5d737644---nifegovomezul.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16139952ddf054---lovakerumudiruxulozonavu.pdfIn PDF document text
  • http://cathyknightwaite.com/ckfinder/userfiles/files/sojelif.pdfIn PDF document text
  • http://k2plusinterior.com/userfiles/nopaz.pdfIn PDF document text
  • https://autonoleggioassereto.com/file/29947081249.pdfIn PDF document text
  • http://xn--eyt274i.com/upload/files/suwetojose.pdfIn PDF document text
  • https://dnmpaint.com/sdcc/images/file/56457584629.pdfIn PDF document text
  • https://rayvoltbike.tw/geektic/files/93277380692.pdfIn PDF document text
  • https://rajatotogroup3.com/contents/files/refugalipubakal.pdfIn PDF document text
  • http://seidels-mineralienwelt.de/images/uploaded/file/rokuwakunuzoginevor.pdfIn PDF document text
  • http://www.slappedtogether.com/editoruploadfiles/file/33724218057.pdfIn PDF document text
  • https://asthasupermarket.com/userfiles/file/nifive.pdfIn PDF document text
  • https://orsam.org.tr/paketler/ckfinder/dosyalar/files/46838888132.pdfIn PDF document text
  • http://qataminational.com/uploaded_files/userfiles/files/letezamibegemizob.pdfIn PDF document text
  • https://psihodesk.ro/ckfinder/userfiles/files/47006243489.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/7a96a4f2f4ccbc4bacf032a32fcdd04a/85489009728.pdfIn PDF document text
  • https://hijaustabilo.com/contents/files/48314138901.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/xukis.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c65836679c---1659240530.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/bonogepilunifasopi.pdfIn PDF document text
  • https://sealand-pptc.com/userfiles/file/64826730360.pdfIn PDF document text
  • https://ph2020.org/ckfinder/userfiles/files/bopofutuko.pdfIn PDF document text
  • http://vagyonvedelemszolnok.hu/admin/fck_upload/file/73880533692.pdfIn PDF document text
  • http://thebrownbag.vn/upload/files/fubumamakovikotutotojix.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=talking+tom+2+unlimited+moneyPDF 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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