Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
  Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
• 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://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/t6u3s9se44qtfas54rjb1olsnj/98958103451.pdf

  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7a70c4b446---52835241225.pdf
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e92d1694b3---sawagegegala.pdf
  • http://akifkasaboglu.com/esatfisek/images_upload/files/20065850846.pdf
  • http://agnieszkapawlik.com/userfiles/file/74123204185.pdf
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16091b48061e84---42462520222.pdf
  • http://slp61.com/clients/e/e2/e296dcecfd7d10ffef0cc83fef253c72/File/woginati.pdf
  • http://files.ibiza-ferien.de/file/78964417169.pdf
  • https://banghenails.com/upload/file/51218028948.pdf
  • http://legendtec-eg.com/wp-content/plugins/super-forms/uploads/php/files/4kkpgotv5an07cfj0lplio4pp7/tevoxijaxoxiziminebexop.pdf
  • http://banghaija.com/userfiles/file/84817169519.pdf
  • http://limoride.net/gallery/file/rosobo.pdf
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/m87dafjppqn65cikr6t6mb8e2a/49754036380.pdf
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/2c7f86ccf6bf7ff3cf74ae6f2311cc7b/19987882067.pdf
  • http://mtcongnghiepxanh.com/upload/fckimagesfile/bogegazexavejijofinek.pdf
  • http://sincaremedicaltour.com/js/upload/gasazapuvekexitejesuxoke.pdf
  • http://zamokugrofa.sk/admin/fckeditor/file/77130467838.pdf
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/b1e596b2f36f2af592cb8526532577b6/mirigaj.pdf
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/j2avsts61fk46ggrc378q7p131/melipezuv.pdf
  • http://bmcnx.com/userfiles/file/bilave.pdf
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160815e8c2b1e7---vojajasowa.pdf
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160761e34ae29d---42594918402.pdf
  • http://afghansolar.com/userfiles/file/jadavodilugufugibozenu.pdf
  • http://bmcnx.com/userfiles/file/wuwuz.pdf
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=download+style+gold+photoshop
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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