Malicious PDF — malware analysis report

Heuristics 6

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079eca5d3f0c---mujupevitevepif.pdf In PDF document text

  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2bab295bcd---36485552550.pdfIn PDF document text
  • http://bienbao.org/uploads/files/83425249539.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/rks8juqvk8s7mmh54b2rmgddgb/febibexeluwozeko.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608a818f73807---70641477015.pdfIn PDF document text
  • https://avonsteel.com/UserFiles/file/fuleba.pdfIn PDF document text
  • http://xn--m1age8bh.xn--p1ai/files/file/rasegewebas.pdfIn PDF document text
  • http://hanasushichoice.com/uploads/files/pudibiwukuwixaze.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/93dhaaq8ka0565egv6jbofg0q0/10198409388.pdfIn PDF document text
  • https://eprobatdz.com/ckfinder/userfiles/files/biguxuvafodeve.pdfIn PDF document text
  • https://christianklein.eu/Quansis/ckfinder/userfiles/files/72850589812.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/d63c79a055987cc8e7cb63329fee914b/toletoral.pdfIn PDF document text
  • https://braindevelopmentmaps.org/userfiles/files/wodov.pdfIn PDF document text
  • http://dkkarsin.pl/img/upload/files/68551520576.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/8j61hc431ttakegbfg56dticsf/53821266702.pdfIn PDF document text
  • https://riondene.ch/img/uploads/file/notirabuxapi.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8e38474d2---jasepexunalewokubare.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba6478740c---gugijorezeselulafagibobas.pdfIn PDF document text
  • http://k-yoga.org/file_upload/spaw_upload/file/20210507072413.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/jagejapugem.pdfIn PDF document text
  • http://johnsonsdynastyincfamilyassociation.com/clients/10108/File/bikawipisip.pdfIn PDF document text
  • https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/9b30587b17068c8062a7bf4b324e244a/65042142701.pdfIn PDF document text
  • http://cateringkieuan.com/uploads/userfiles/file/pakilit.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be5cd09b714---vakosiwokavaputepivid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=battery+saver+pro+apkpurePDF 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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