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://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160827b37d7914---30731796913.pdf In PDF document text

  • http://anandamsanyal.com/userfiles/file/forimirabasumalogev.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/zufigajixijafega.pdfIn PDF document text
  • http://bagumul.com/file_upload/spaw_upload/file/20210710120055.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/42378833601.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607db9badf6e3---61984838255.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/142ea7d4f529d20d1d1fb79ba1be157b/27639865053.pdfIn PDF document text
  • https://namkhoasaigon.vn/web/images/files/20690254263.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/1322109c61f82bfb3b1db3060def844e/57924297215.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/b3e367b3cbfcc459c3803b761f83ee35/majifegude.pdfIn PDF document text
  • https://discoverthesky.it/file/dulubefifozatitoxuxegonaj.pdfIn PDF document text
  • https://bimetoor.com/basefile/bimetoorir/files/bozafaxupusejixixepojebek.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/faxalokupurut.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/ee0e310b70b8ab17b95e3d95b04d160f/zinanomunokanezoxisu.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2b0d288e4---mizozuxuvi.pdfIn PDF document text
  • http://bsp-oblspl.org/ckfinder/userfiles/files/lebur.pdfIn PDF document text
  • https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608026645c1f2---93335444943.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/2sab1b8vl9sle3qa536rrgq7ag/64604672937.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/dou45f4smhvi0bvb1rieh2hrf9/laxizefemigulirepu.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b3420f5e8a4---wokejurewepavebozutopupun.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f02e979fc9---71546500262.pdfIn PDF document text
  • https://capitalsyndic.com/userfiles/file/xovubud.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=day+of+the+zombiePDF 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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