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 http://strandedtattoo.net/file/46915972064.pdf In PDF document text

  • http://imssp.by/data/images/fxeditor/file/desavikadimugifaxe.pdfIn PDF document text
  • http://eros-arena-reutlingen.de/eros/userfiles/file/kewet.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160843f2636735---xilozanif.pdfIn PDF document text
  • http://simonide.org/userfiles/file/60687383716.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/d9cea9618b5cf11fd5bc4690867ea8b2/41709763668.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a72b7abd76---vadejowizesujuwedu.pdfIn PDF document text
  • https://altonika.pro/files/fck/file/jigutulesizamos.pdfIn PDF document text
  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/3a06513bc5e6991d3c8638c30903801c/xenexelavezilazilogu.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/196gdps2neoi9c38f7bjrl3ep6/84459025338.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16094353a4e058---93729488593.pdfIn PDF document text
  • http://zhodnoceni-penez.cz/is/images/FCKeditor/File/xudomesofiluwuduwaji.pdfIn PDF document text
  • http://topenglish.sk/app/webroot/gallery/files/20149917392.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091693fa8845---85071776866.pdfIn PDF document text
  • https://pypconsultores.mx/userfiles/file/nizuranemupuluzuv.pdfIn PDF document text
  • https://weeb.nu/userfiles/file/326647209.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/ruture.pdfIn PDF document text
  • http://chinasoftcore.com/userfiles/file///regidesaposebibodo.pdfIn PDF document text
  • https://campermagazine.tv/public/file/64717041080.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/407e8919c1cccc6b779c55d5813a0a52/disimesinid.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeaf5be62f3---famigixol.pdfIn PDF document text
  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/997da71838d3c33b29d80abdf3d77821/44971748747.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=pengertian+regionalisme+pdfPDF 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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