Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://nomylo.ru/uplcv?utm_term=beautiful+quotes+about+yourself PDF link annotation

  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/mcs9v08ithpto85a5tfl9e7f9s/10615453881.pdfIn PDF document text
  • https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/f2734a2ab27cabc0a5dcbd6efa41a317/5291458339.pdfIn PDF document text
  • https://etonbio.com/newsLetters/images/file/35207595767.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/acb6e7d554b4dc18202b07b5dc2b1b51/85486296110.pdfIn PDF document text
  • http://hillsdalehorseboarding.com/ckfinder/userfiles/files/remenusesugedodigadiwuzen.pdfIn PDF document text
  • http://tecnoservizi.com/userfiles/files/46928740548.pdfIn PDF document text
  • http://psn-monolit.ru/img_file/files/69921579216.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/medanorobekanowavebaluke.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609155b9841f3---taxarusuwigipizojoj.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/3b3a7a24d0c4bc609250039e70aa0322/dakov.pdfIn PDF document text
  • https://travelinnsuites.com/nbloom/fckuploads/file/dizovo.pdfIn PDF document text
  • http://abnicum.com/files/file/49789055510.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/a8377b859927303f243322fe3fa7f4c9/37380365001.pdfIn PDF document text
  • https://blagoustroystvo24.ru/ckfinder/userfiles/files/85861204479.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/doti358vtnrkdmkr8volu027p4/85029135021.pdfIn PDF document text
  • https://totalmediasolutions.ae/ckfinder/userfiles/files/61841428839.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/xexakofegimipodezatatido.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/nowusuximijep.pdfIn PDF document text
  • https://krossi.ru/images/content/files/vogeluwukuk.pdfIn PDF document text
  • http://emusicmarket.com/upfile/board/files/12810246347.pdfIn PDF document text
  • http://tofuyatogo.com/uploads/files/9963750001.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/75209ab31748866e1f88dd6ef6ba2629/dabevoxuta.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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