Malicious PDF — malware analysis report

Heuristics 9

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://archbot.pl/files/file/fikun.pdf In PDF document text

  • http://www.ville-dammarie.com/ckfinder/userfiles/files/dumetatilomikajixuv.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/974766f47f4148b46e224570dbc0adc7/guvuz.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135761c3770f---tejagupumepakujiwado.pdfIn PDF document text
  • http://grafichesirio.com/userfiles/files/19836210247.pdfIn PDF document text
  • https://otterdisplay.com/userfiles/file/39646334543.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614654fccd0b1---fetironabodawivafubo.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/ed64dedb3513a859514fa3cfc582f87b/xotosisavatusininode.pdfIn PDF document text
  • https://robodom.si/files_vsebine/fojovedezosew.pdfIn PDF document text
  • https://coaching-jk-academic.com/ckfinder/userfiles/files/tedagolajof.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/b56868e5d40311b2e10bd31595c6e486/zumenum.pdfIn PDF document text
  • http://grgct.com/ckfinder/userfiles/files/gariginovazume.pdfIn PDF document text
  • http://stnicholasway.com/userfiles/file/sumajoxuvaxebibokugime.pdfIn PDF document text
  • http://russkiivopros.com/images/FCKeditor/file/75891375567.pdfIn PDF document text
  • https://bursakaynak.com/userfiles/file/nowagapowewepilezujarejat.pdfIn PDF document text
  • https://fwstc.in/userfiles/file/kazagowij.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/38372279536.pdfIn PDF document text
  • https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/judixisuxerajuwevo.pdfIn PDF document text
  • http://nawaress.com/webroot/js/ckfinder/userfiles/files/vaxapixoxalu.pdfIn PDF document text
  • https://arab-hams.com/Ups/files/46719117037.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/podixokobuwifixuzizul.pdfIn PDF document text
  • http://minhanh.com/files/vumas.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/3e59a3b86b67bdaad24fce25e48c397d/muravulukevakifisek.pdfIn PDF document text
  • http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/21078066912.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=naruto+ninja+storm+4+apkPDF 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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