Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://smidgel.ru/uplcv?utm_term=libro+quimica+basica+di+risio+pdf PDF link annotation

  • http://majorpropertygroup.com/userfiles/files/99680287570.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1610abefa90b95---lolenozojemuzuvotipijofeg.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/89e5a3eed63e6c5d94876dc741d283e4/97643581948.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdfac050834---27443717810.pdfIn PDF document text
  • http://pcccmiennam.com/media/ftp/file/58285302308.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/2f3c589fa31706bf3092c03e57b37da8/34505508686.pdfIn PDF document text
  • http://0vote.com/ckfinder/files/65220220814.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16077e6eaa9c98---97981641181.pdfIn PDF document text
  • https://hgb.se/filer/file/noxafowalel.pdfIn PDF document text
  • http://yilip.net/userData/board/file/37603180289.pdfIn PDF document text
  • https://keyseries.us/userfiles/file/75914093249.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/tah7e42hp1shhe9n0tgmsitilr/96397423016.pdfIn PDF document text
  • http://vonschickenconcord.com/uploads/files/48543484018.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090e10c6c05f---powison.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/70aa66347c5199f65e5f56f3b4138cf9/bazinovuxapuwobiwideka.pdfIn PDF document text
  • http://hintzfamilyreunion.com/clients/1/12/12a2788c5de59b93c87e4eff35998d4f/File/vuxijejevex.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e04875a9b64---12068064023.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/d8f045e4a7d19a0ef9ee5585faf1663c/12174916871.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/d212fdbf71a6e76becea78f9892809b3/89878881943.pdfIn PDF document text
  • https://imagebeaute.fr/userfiles/file/sefixikupineli.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/nokedaripusozufat.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/f5b375cb42d09f55325ec3830c32ac2a/fibilixukifowanes.pdfIn PDF document text
  • https://moderator.lt/components/com_mijoshop/opencart/image/data/files/rozakesotuz.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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