Malicious PDF — malware analysis report

Heuristics 9

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://qhchemicalsfeed.com/upload/files/nosogidagalatenubixu.pdf In PDF document text

  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd08b666b8---36145730466.pdfIn PDF document text
  • http://ozkayalarlojistik.com/userfiles/file/86654356801.pdfIn PDF document text
  • https://songhong-thudo.com/img/files/13485536265.pdfIn PDF document text
  • http://aquaclub.hu/userfiles/file/25835353259.pdfIn PDF document text
  • http://preiss.at/upload_files/files/32442984865.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134adc318695---8032979085.pdfIn PDF document text
  • http://mellorymotors.ru/admin/ckfinder/userfiles/files/80308428232.pdfIn PDF document text
  • https://braindevelopmentmaps.org/userfiles/files/89305217350.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408c867befc---rejupurozotoda.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/161417f86f418b---71924603781.pdfIn PDF document text
  • http://pneusmarene.it/images/file/batogokunu.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/q1gchof2lo11jtbh2uplgeub5q/rumiredixa.pdfIn PDF document text
  • https://artgallery.devctn.com/ckfinder/userfiles/files/24210720212.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/91340b08aa1bdacbedd74b65e93bdf24/48658138782.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbe9a43083---taxoreliludeseru.pdfIn PDF document text
  • https://global-product.org/CKEdit/upload/files/duxebujixajaturijagike.pdfIn PDF document text
  • https://univerosg.com/ckfinder/userfiles/files/6474698818.pdfIn PDF document text
  • https://gregoryshow.ru/files/file/55692434369.pdfIn PDF document text
  • http://mobilahomedesign.com/userfiles/files/97227968382.pdfIn PDF document text
  • http://pampa.be/uploads/userfiles/files/viberututabogaf.pdfIn PDF document text
  • http://back2wood.de/userfiles/file/xafitetunewizasowajiwonog.pdfIn PDF document text
  • http://yibetter.com/data/files/fodutanunokulafilikopix.pdfIn PDF document text
  • http://goang-hann.com/uploads/files/202109182008576178.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=satellite+shankar+movie+download+mp4PDF 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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