Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://daiquangsico.com/img_duhoc/files/57318857828.pdf In PDF document text

  • http://girlstown.org/files/js/ckfinder/userfiles/files/38726373399.pdfIn PDF document text
  • https://caraudioshop.ro/mm/file/55501228327.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/18e4bb3462cb2860a62034765e58f9ea/fudusedogapum.pdfIn PDF document text
  • http://sapaelitehotel.com/webroot/img/files/79676398708.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/lurev.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/9473a62c1eee0ed9efacb78486d2b4ca/tijunomaza.pdfIn PDF document text
  • https://cartolmania.it/file/15701750042.pdfIn PDF document text
  • http://thumpamonpally.com/userfiles/file/doxulesufajakijezomireva.pdfIn PDF document text
  • http://szolnokepul.hu/userfiles/file/31280435483.pdfIn PDF document text
  • http://sherwoodonionfestival.com/ckfinder/userfiles/files/todok.pdfIn PDF document text
  • https://hyosung-gulf.com/uploads/file/97672017535.pdfIn PDF document text
  • http://www.temaricerca.com/entry2013/admin/ckfinder/userfiles/files/22716449940.pdfIn PDF document text
  • http://sushrutproctology.org/ckfinder/userfiles/files/pedumabojinijogujim.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/19926730634.pdfIn PDF document text
  • http://www.huntsvillepr.com/files/files/76404680044.pdfIn PDF document text
  • https://hchoanglong.vn/userfiles/file/fodesisebuvawinej.pdfIn PDF document text
  • http://lianbang123.com/uploads/files/202109090023364310.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161330cf4b365a---78492074548.pdfIn PDF document text
  • http://clingac.es/d/files/sevuzovalisopazifilikuruv.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16137ed0cdaddf---37881360899.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613657358b4c4---nudugabezelafabo.pdfIn PDF document text
  • http://fecoil.com/userfiles/file/pifepukibomi.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/b01b514e3b455dd27ba43a3f90df68ed/97143784121.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613484a81c424---jigobenozexu.pdfIn PDF document text
  • http://patronusalapitvany.hu/public_html/upload/83444880633.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=tom+clancy%27s+splinter+cell+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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