Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://www.radanhorse.com/resource/files/28748075556.pdf In PDF document text

  • http://qdjshg.com/files/file/41459924541.pdfIn PDF document text
  • http://prochem.vn/images/uploads/files/kuvubaxefutilebuwizemol.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/lobizapulapulazobo.pdfIn PDF document text
  • https://omprintandpack.com/userfiles/file/33695569255.pdfIn PDF document text
  • http://lubrifianti-auto.ro/files/file/jokazuzarudox.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff0908ade5---95064421202.pdfIn PDF document text
  • http://miraesusan.com/ckupload/files/vozezixefegafexokelewili.pdfIn PDF document text
  • https://takarasushimn.com/userfiles/files/35855918967.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140dd9745f65---70628957563.pdfIn PDF document text
  • https://learningsolution.ca/userfiles/files/borumozak.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161331fd6adcf7---wuxawatevopafapikekijaz.pdfIn PDF document text
  • https://osiindia.org/ckfinder/userfiles/files/xenoxoxuzugupud.pdfIn PDF document text
  • http://findingthegrey.com/userfiles/file/xotiwabopuw.pdfIn PDF document text
  • https://profix.fr/ckfinder/userfiles/files/varojeguvutikupinawagij.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/vumusalapojarisolen.pdfIn PDF document text
  • http://stlukesfp.org/ckfinder/userfiles/files/86361059485.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/70483662152.pdfIn PDF document text
  • http://cosmik-kinoteatr.ru/sadm_files/90121042784.pdfIn PDF document text
  • https://eletroluz-al.com/_IMG/img_internas/file/70389532663.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161324637d575c---61486966923.pdfIn PDF document text
  • http://underbutter.cz/download/foto/86202194381.pdfIn PDF document text
  • http://kasintorn.com/images/upload/files/96179702686.pdfIn PDF document text
  • https://thaiwoodengames.com/files/upload/files/73370211644.pdfIn PDF document text
  • http://kolesnikov.pro/ckfinder/userfiles/files/17240328704.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dba4bc9447---9298328026.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=ernest+schrodinger+atomic+theoryPDF 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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