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 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://chcial.ru/uplcv?utm_term=gulzar+quotes+on+life PDF link annotation

  • http://sushibelovo.ru/files/32206355533.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/6f8609b74799c966bbb6771a15025e2b/zezapufariwotoratowuwon.pdfIn PDF document text
  • https://airxps.com/userfiles/files/rujimofexetapuvumekijon.pdfIn PDF document text
  • https://littleitalypizzany.com/nbloom/fckuploads/file/62503562221.pdfIn PDF document text
  • http://loaamtran.vn/files/usersfiles/files/wobusosexefofikimizewiwa.pdfIn PDF document text
  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/30501951196.pdfIn PDF document text
  • http://coverybox.box8websites.com/ckfinder/userfiles/files/25078923748.pdfIn PDF document text
  • https://e-room.co/userfiles/file/gurefedof.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/77217123470.pdfIn PDF document text
  • http://yacpa.org/yacpafiles/file/80802053284.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/185cde84a17c165892cdcfd190d76abb/rurovuwidizema.pdfIn PDF document text
  • http://snft.ro/media/file/popunukuramigigigugetopaj.pdfIn PDF document text
  • https://myarchitect.es/ckfinder/userfiles/files/73082691038.pdfIn PDF document text
  • http://mamadona.ru/ckfinder/userfiles/files/jofij.pdfIn PDF document text
  • http://chelseacarpet.com/ckfinder/userfiles/uploads/66746270912.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161312b7088be6---40602432673.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132af69b3f4e---juguk.pdfIn PDF document text
  • http://studioferrato.it/userfiles/files/11002199082.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/pijakag.pdfIn PDF document text
  • http://ukonlinedirect.com/userfiles/files/satonemim.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/2157888d9ca78e20bdaf129f756640bd/xolalutinunitofumo.pdfIn PDF document text
  • http://anticacarsulaeborzoi.eu/userfiles/files/82074588793.pdfIn PDF document text
  • http://uniquehotelsolutions.com/files/others/36013271669.pdfIn PDF document text
  • http://hzzxtl.com/UploadFile/file/20210910005223468.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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