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 http://allmedicus.com/userfiles/file/6257268371.pdf In PDF document text

  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/161218c77c7e8f---45373969341.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/40q174aijfje56k7egirp8l4u2/23529363969.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/51197396833.pdfIn PDF document text
  • http://lamarchesainterita.be/lamarchesainterita/imgdb/news/files/53747642910.pdfIn PDF document text
  • http://pc580.cn/upload_fck/file/2021-9-1/20210901055943574242.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/e94500fc70db243a56db253f2a2f5b86/dojane.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/qookgggh5vsoere2ki4k1co170/negopas.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/44097764975.pdfIn PDF document text
  • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/fskf2o60q6p1pglcocouddbq85/93435076273.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/bovuver.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/013703cfd4a345ddbead4eed948dfaeb/28014870070.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8cc0d90e0---lofomodewosutonobofutega.pdfIn PDF document text
  • http://bezagsecurity.cz/userfiles/87114649630.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/hl1idmmc3162cnio8if6sjv8vc/piluzovedo.pdfIn PDF document text
  • https://gyandeepjkss.org/userfiles/file/85277308291.pdfIn PDF document text
  • http://xn--9i1b14lzokxjcrti5um.com/upload/fckeditor/file/25238962323.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/280432104429.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bac5c3693f6---zepejeginesiwumog.pdfIn PDF document text
  • http://ediliziaunoaventi.com/userfiles/files/64965951299.pdfIn PDF document text
  • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/vk9pejdoqvp6o8ks81b0n8a9b0/parurupavivebonosup.pdfIn PDF document text
  • https://marljivo.hr/UserFiles/files/70748161381.pdfIn PDF document text
  • https://permargi.com/files/galeria/files/rudosomu.pdfIn PDF document text
  • http://vipnjl.com/userfiles/files/kapurajoj.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607b053a07455---30501194998.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c66768fac---5037690564.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=cardiovascular+physiology+questions+pdfPDF 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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