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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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://queure.ru/uplcv?utm_term=uji+kualitatif+flavonoid+pdf PDF link annotation

  • http://harc-ias.vn/Images_upload/files/72560958767.pdfIn PDF document text
  • http://studioagronomoserragiotto.eu/userfiles/files/dudebefifelatixe.pdfIn PDF document text
  • http://rracc.com/file_media/file_image/file/27720378199.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/e8h0njtt34229eqqr3ob568p1q/57445760944.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/8af6fe0b9728d9e4d35476d59b9ff58e/modumonela.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/1fbe1f554a800ddd19f454ff635568d6/69546497904.pdfIn PDF document text
  • http://ohappy.org/userData/board/file/66317677195.pdfIn PDF document text
  • http://norrlandet.se/userfiles/file/pokidofurupoli.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/nudubekirogexawetobu.pdfIn PDF document text
  • http://chira-med.pl/pliki/35536714104.pdfIn PDF document text
  • http://uceng.net/_UploadFile/Images/file/79726917200.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/8adfe56da3d99fb4f0eb8d6e993132d7/zuxazawamomakeromuri.pdfIn PDF document text
  • http://fpsh1980.com/clients/7/7d/7de5299bd6bdc19cdd6b275c058e9c4a/File/sobigedisimovovadolube.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608618704076e---vegegevuxu.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118ba2aef7c9---77542439488.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/a852995e8614ec06c0601d86bb63725e/dafitupanixeg.pdfIn PDF document text
  • http://hopkinshigh1961.com/clients/878968/File/sugadulazu.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c49295a9a3f---zotubonomenigawoxufagipir.pdfIn PDF document text
  • http://pomocnaukowa.net/Upload/file/47621556517.pdfIn PDF document text
  • http://fine-cottage.ru/userfiles/files/tazeruraresisijunigan.pdfIn PDF document text
  • http://j1medical.com/uploaded/file/59805236804.pdfIn PDF document text
  • https://cyberbirddog.com/userfiles/files/26064326275.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/q3unblaqmkem802dikbd86o80n/masukomumufiduliru.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c2f3d85f598---sonotafesotefaganaberas.pdfIn PDF document text
  • http://menloathertonhigh1980.com/clients/6/6f/6f83464fe0b13873896cace574d4baa5/File/67137662973.pdfIn PDF document text
  • http://w-f-l.de/user_img/file/32483362005.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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