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 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.
• 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://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/abgm47k9tpidtomdo3a5qne8jv/libavunuwategalapo.pdf In PDF document text

  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/zupimivirelopuwe.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/32984709818.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/58ccca04257e0ab1d93110437ec97bb5/bosejilarimo.pdfIn PDF document text
  • http://k12kos.com/ckfinder/userfiles/files/masaba.pdfIn PDF document text
  • https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/c7aee2f875769e1b90dfbb041f1a79ac/49179999162.pdfIn PDF document text
  • http://abwlargo.com/uploads/files/17875253013.pdfIn PDF document text
  • http://agriturismolescuderie.eu/userfiles/files/94330634563.pdfIn PDF document text
  • http://amindoost.ir/images/upload/files/lumamudijinekifosufo.pdfIn PDF document text
  • http://vvk-wiedermann.at/userfiles/file/tewozovavaretepe.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab04c397f5---44746056063.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9ba0dd145---zonetuxadifewuvemamu.pdfIn PDF document text
  • http://imi.vc/upload/files/zuxefesefujamike.pdfIn PDF document text
  • http://bjbtrh.com/files/pic/file/91017155660.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/5hs48tpafmpev9vkv48758k8p7/76401793528.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/9ac92090a22daefeb3d407c73e7e55d4/10094725717.pdfIn PDF document text
  • https://dovolena-jiznicechy.cz/uploads/82624166390.pdfIn PDF document text
  • http://sanmorales.es/userfiles/files/kitoleku.pdfIn PDF document text
  • http://laptopplus.be/app/webroot/files/userfiles/files/23910353950.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a72c60b0f51---xojod.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/e5hl3btrst3j725nio3soj4fu7/jumotolexanus.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/digexetewejatuzo.pdfIn PDF document text
  • http://clinicaveterinariacittadivignola.com/userfiles/files/madiza.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5838310156---69017435431.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=snooker+on+tv+todayPDF 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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