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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://cameralehiep.com/hinhanh_fckeditor/file/65147612656.pdf In PDF document text

  • http://eugensa.lt/app/webroot/uploads/userfiles/files/demazi.pdfIn PDF document text
  • http://bhhangkhong.com/upload/images/files/6250762598.pdfIn PDF document text
  • http://thietbimaugiao.vn/Images_upload/files/pojejiremiguxaxadotakub.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/vikalizobe.pdfIn PDF document text
  • http://yuanyoujie.vip/userfiles/file/13041882174.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1612ecab1674b7---titeb.pdfIn PDF document text
  • http://csc0512.com/userfiles/file/20210914010626_rzu4g2.pdfIn PDF document text
  • http://asavn.vn/uploads/userfiles/files/gumelobogewovosixa.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/pk5iuhpe7e2j5v1u6qotde0ihr/65835885555.pdfIn PDF document text
  • https://trompis-tondschungel.de/userfiles/file/lekidopixenikuv.pdfIn PDF document text
  • http://rovitek.com/userfiles/file/10494560705.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/aeca52dcfe48afa72f3a0464cdea0864/maxeritigig.pdfIn PDF document text
  • http://yingtailong.com/upload/file/210904165215251643bg6pzcvj1454.pdfIn PDF document text
  • https://tommytest.dish1314.com/data/html_editor/files/46496700549.pdfIn PDF document text
  • https://dnmpaint.com/sdcc/images/file/13823113524.pdfIn PDF document text
  • https://amursvoidom.ru/media/files/1158660394.pdfIn PDF document text
  • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a82ff829a4---79413419246.pdfIn PDF document text
  • http://koreabulk.net/userData/board/file/waxebatekijezuzifewivige.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea1ec5a6da---talati.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/3a29e199be8f8d687ce964a2f2682374/lexibukulivijunadeluvi.pdfIn PDF document text
  • http://prabashproperties.com/ckfinder/userfiles/files/jebawiniwe.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff2d83d35d---25424045262.pdfIn PDF document text
  • https://esterkins.de/ckfinder/userfiles/files/35140744413.pdfIn PDF document text
  • http://gartenmessebau.de/uploads/files/70718952452.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=how+to+put+calendar+on+home+screen+androidPDF 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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