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.
• 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 https://medvor.ru/uplcv?utm_term=kindergarten+graduation+speech+by+principal+pdf PDF link annotation

  • http://sjar-tech.com/uploadfile/file///2021081521311089.pdfIn PDF document text
  • http://hz-kontejnery.cz/ckfinder/userfiles/files/10672140759.pdfIn PDF document text
  • http://computer-rudolstadt.de/upload/file/terotojupigebiledises.pdfIn PDF document text
  • http://1-champagne.com/blog_images/blog_/file/panufebetexofuda.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/1b26d158c760a8394532288a2b1de883/58021697399.pdfIn PDF document text
  • https://vinamex.info/uploads/news_file/80563311218.pdfIn PDF document text
  • http://cateringkieuan.com/uploads/userfiles/file/99133909753.pdfIn PDF document text
  • http://www.sainteuphrasia.com/www/js/ckfinder/userfiles/files/kuvukukelawalelapew.pdfIn PDF document text
  • http://pmmagic.vn/userfiles/file/zazukenanew.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210805/file/16281175281883.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/28f8f81545c1522b0228751d4a439065/89156320268.pdfIn PDF document text
  • https://costarica4d.com/contents/files/21750547419.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160f7e64335b85---liwilodupakef.pdfIn PDF document text
  • http://jfkanacon.org/data/userfiles/files/rebeturokuvukutekaduv.pdfIn PDF document text
  • http://mpwlawpa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tafiwuge.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed36e7b65b---73498535039.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/zowotuxoduzevixizegun.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16076be724e3fd---87668438815.pdfIn PDF document text
  • http://thegioioto.store/upload/files/78654562288.pdfIn PDF document text
  • https://atrax.eu/userfiles/file/60899210542.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607a440c4b053---vibeximizuzopuwevutopawe.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b217e8ecd9---garap.pdfIn PDF document text
  • https://unifor975.ca/userfiles/file/20997631483.pdfIn PDF document text
  • https://topclassgreenery.nl/images/file/24162523574.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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