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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• 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://wirut.co.za/YmrXLWy8?keyword=what%20is%20the%20main%20purpose%20of%20agile%20methodologies PDF link annotation

  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/m3k75mipbk2nasnneaj2tdbi26/waritodelusipofugagofeba.pdfIn PDF document text
  • https://jisawawaxiwibes.weebly.com/uploads/1/3/1/6/131606947/gigevewugu_fesaweko_sekito.pdfIn PDF document text
  • http://makesomenoise.hu/upload/file/49980296469.pdfIn PDF document text
  • https://fizilotot.weebly.com/uploads/1/3/6/0/136050642/gisizexepawu-wokane-taridepapokabag.pdfIn PDF document text
  • http://brillodesol.com.ar/app/webroot/js/kcfinder/upload/files/61004847654.pdfIn PDF document text
  • https://fadirepux.weebly.com/uploads/1/3/1/4/131438814/xopirej.pdfIn PDF document text
  • https://doliwalesi.weebly.com/uploads/1/3/0/7/130776147/pukumavun.pdfIn PDF document text
  • https://nisseiplastic.com/up_images/exp/files/gupijoxufogonu.pdfIn PDF document text
  • https://verozofuxedu.weebly.com/uploads/1/3/4/3/134330920/2197307.pdfIn PDF document text
  • https://boxavukexuzar.weebly.com/uploads/1/3/0/7/130775797/1e040.pdfIn PDF document text
  • https://samazixudoreput.weebly.com/uploads/1/3/2/6/132681586/968aabbff5d2a.pdfIn PDF document text
  • https://poojaindiangrill.com/nbloom/fckuploads/file/7462593846.pdfIn PDF document text
  • https://noxaboke.weebly.com/uploads/1/3/4/7/134701707/43882b5.pdfIn PDF document text
  • https://kaxitojuwomig.weebly.com/uploads/1/3/5/3/135302818/5370694.pdfIn PDF document text
  • https://vilaferadir.weebly.com/uploads/1/3/4/7/134771168/poruvonamer_fuvamoni_ralogidunosabel_remoju.pdfIn PDF document text
  • https://mijekuwovosi.weebly.com/uploads/1/3/4/3/134321571/299d5de82cc7.pdfIn PDF document text
  • https://subamepowesita.weebly.com/uploads/1/3/4/8/134875458/1315258.pdfIn PDF document text
  • http://hosungtour.net/FileData/ckfinder/files/20220302_F5DB85F7A26D84B4.pdfIn PDF document text
  • https://vunulenib.weebly.com/uploads/1/3/2/3/132303041/mipabarere.pdfIn PDF document text
  • http://ansing.nl/userfiles/file/99872319278.pdfIn PDF document text
  • https://anne-berger.de/sites/anne-berger.de/files/fkcfile/gesuvaladamapekojitamunus.pdfIn PDF document text
  • https://kujofajatoniw.weebly.com/uploads/1/3/1/4/131406813/delipibusikolixu.pdfIn PDF document text
  • https://ripegedabezigiz.weebly.com/uploads/1/3/2/6/132695689/7211115.pdfIn PDF document text
  • https://jepukarebav.weebly.com/uploads/1/3/5/3/135321711/litukite.pdfIn PDF document text
  • 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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