Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://oniceh.ru/uplcv?utm_term=how+to+connect+android+phone+to+pc+to+play+games PDF link annotation

  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/d02da5c5e7b44d97869baa9e0c1f3586/94127856793.pdfIn PDF document text
  • http://motocams.cz/ckfinder/userfiles/files/jasifepupogedaneguwu.pdfIn PDF document text
  • http://the-bom.kr/upfile/files/rakesikibesigaranoxejuku.pdfIn PDF document text
  • http://jimsclub.net/new/board/img_tinfo/file/20210901110949.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614e3d0033ce0---wibijojunubizugonaf.pdfIn PDF document text
  • http://cyc.cz/pictures/clanky/files/93718396548.pdfIn PDF document text
  • https://nhabe.com.vn/ckfinder/userfiles/files/71411814181.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa7a531e6e---82514843370.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/vme1ntten2osba70q5ememn9k7/nizezoka.pdfIn PDF document text
  • http://j1ent.com/userfiles/file/20210922193217.pdfIn PDF document text
  • http://mamolenasnc.it/userfiles/files/vepaderudoxu.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161424eeba2a5b---39338482323.pdfIn PDF document text
  • http://creativecoms.net/userfiles/file/87378002446.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/2021982019568371.pdfIn PDF document text
  • https://bushregenerators.com/userfiles/files/99296443623.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/83412376517.pdfIn PDF document text
  • http://photou.cc/ckfinder/userfiles/files/51935846350.pdfIn PDF document text
  • http://everbeenmagnet.com/js/upfiles/files/75622570922.pdfIn PDF document text
  • https://cursosadistanciayonline.com/medios/files/tevek.pdfIn PDF document text
  • https://mytalk7.com/_UploadFile/Images/file/kifogigafupowixopuvup.pdfIn PDF document text
  • https://rumputhijau.com/contents/files/28912472540.pdfIn PDF document text
  • https://www.thc.gda.pl/ckfinder/userfiles/files/novatudewozeripejovug.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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