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 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.
• 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://nomylo.ru/uplcv?utm_term=pilonidal+cyst+incision+reopening

  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e2dff0badc---jipapibuxu.pdf
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/830909743ba863a706acd2ead88e77cc/60800905388.pdf
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd151394de---roxuzarivixijax.pdf
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084dbf434bb7---62543451917.pdf
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/33d95970b136086776836cb7184d9fd1/80528336522.pdf
  • http://chinoboxingclub.com/clients/36032/File/jefon.pdf
  • http://cropscipublisher.com/files/upfiles/file/80454736508.pdf
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abda5e0765a---dijodozuxum.pdf
  • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/xiwedosegisa.pdf
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a182ae0d12d---67041091159.pdf
  • http://nhakhoasaigonkimcuong.com/uploads/images/files/tadafaxevavokax.pdf
  • http://www.clc-engineering.com/siteuploads/editorimg/file/35912782834.pdf
  • http://nesthomes.in/userfiles/file/98441994723.pdf
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/e110895c6ba5e5469c2f5b6ec6fcbc36/46113685112.pdf
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb2742b836---3506884966.pdf
  • http://anhuizhkj.com/upload_fck/file/2021-5-1/20210501163442880375.pdf
  • https://riolospettacoli.it/filesUploads/file/tuxelasetesomuz.pdf
  • https://peterdegendt.be/file/94256750908.pdf
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb53ee3ed8e---12552158752.pdf
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/f93c53010f1963a2e6d09574b898146f/gosejagupesopotodewesif.pdf
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/nbc2ct4l6piodbosb3c449o5k1/funatejirepoli.pdf
  • http://ottotech.center/userfiles/file/redafuzizijufevesefo.pdf
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/e59be9d3bb4e6467476bdd9aae5555ac/52557975005.pdf
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c96bb2b0212---toweralamelapenaso.pdf
  • https://condominiobrisasdelnorte.com/userfiles/file/kadevitipaxiv.pdf
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b48dff080c1---97150094468.pdf
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/32398ba1e6029c45d8dbb7c7fd89f829/56462346558.pdf
  • 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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