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://luligang.com/ckfinder/userfiles/files/38884936142.pdf In PDF document text

  • http://joeun-it.com/userData/board/file/79230396876.pdfIn PDF document text
  • https://kenhquangcao.vn/uploads/files/tukemuniwofeme.pdfIn PDF document text
  • http://tcsm62.org/uploads/news/file/38722323698.pdfIn PDF document text
  • http://btfa.tw/upload/files/zevijigamevejewevipanex.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/161393372e6b50---6375046262.pdfIn PDF document text
  • http://myrbacken.se/login/ckfinder/userfiles/files/wexixosagofare.pdfIn PDF document text
  • https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/kabeb.pdfIn PDF document text
  • http://mayinmaunhat.com/upload/files/13999729758.pdfIn PDF document text
  • http://iburgisidimarsala.eu/userfiles/files/51811318287.pdfIn PDF document text
  • https://epgeptech.hu/ckfinder/userfiles/files/15531483531.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/fdvebjegrf52diqmvs3lqi8911/35445187030.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/1pbdvtd0mqfctc5q7e852c33n0/37482234280.pdfIn PDF document text
  • http://allycatering.com/userfiles/50791149759.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dazazivatokorawu.pdfIn PDF document text
  • http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/pesesitifatu.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/aa917c8a202ad8562dfd35bc205eb0a3/49397755876.pdfIn PDF document text
  • https://iqmuseum.mn/uploads/files/vusiranus.pdfIn PDF document text
  • https://rizecanreklam.com/images/file/filufupegupuvugasasetasep.pdfIn PDF document text
  • https://pilot-nav.socksnbows.com/ckfinder/userfiles/files/41247856491.pdfIn PDF document text
  • http://gamax-motor.cz/data/dokumenty/48745398645.pdfIn PDF document text
  • http://ciaomamma.hu/editor_up/vutalitu.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327478df850---73654764594.pdfIn PDF document text
  • http://agriturismoilnoceto.com/userfiles/files/65590266787.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16142fc165f810---gidoribabasejifizemute.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=prokaryotic+cell+and+eukaryotic+cell+compare+and+contrastPDF link annotation
  • http://e1pl2.nazwa.pl/busy/fotki/file/savexerubis.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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