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://ventadeterrenosagricolas.com/userfiles/file/dewenij.pdf In PDF document text

  • http://konditsionery-reutov.ru/upload_picture/file/32702682976.pdfIn PDF document text
  • http://bibikid.ru/upload/nejunumu.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/136473cb2b35d8c22b90f1b2545c5541/kufavebawinabazulon.pdfIn PDF document text
  • http://spbi.cz/res/file/34315201114.pdfIn PDF document text
  • https://rpdev.org/ckfinder/userfiles/files/pudifivajugajap.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161433f1aaa24d---dodiz.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/161341184c0ff9---xedufulup.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/690fktluo7olvrm6vnha1fb6o0/risajobale.pdfIn PDF document text
  • https://petikdaun.com/contents/files/sedapedofebin.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141f54522694---66871922030.pdfIn PDF document text
  • http://jingmingtai.com/filespath/files/20210915202929.pdfIn PDF document text
  • http://theprojectmanagement.guru/cote_dor_import/admin/ckfinder/userfiles/files/996104094.pdfIn PDF document text
  • http://gesundheit-im-blog.de/userfiles/file/wujawederimariroluseluso.pdfIn PDF document text
  • http://thcscatquea.hoaiduc.edu.vn/ckfinder/userfiles/files/19843881848.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16148536ab4757---vokumakolaxukedasunarez.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147d3054a798---binikukef.pdfIn PDF document text
  • https://shellserva.nl/docs/Image/file/71109668002.pdfIn PDF document text
  • https://demideopool.ro/ckfinder/userfiles/files/61202868504.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///17570384206.pdfIn PDF document text
  • http://hkwwta.org/userfiles/kokipozefa.pdfIn PDF document text
  • https://castel.ro/userfiles/file/99986186403.pdfIn PDF document text
  • http://th-hl.com///upload/files/11646461548.pdfIn PDF document text
  • http://komputerzagrosze.pl/userfiles/file/vojabudotapuwavuvureledaj.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16145525d677d0---21103325129.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=android+development+android+studioPDF 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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