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.
• 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 http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc956aaa774---jotoxometogipotor.pdf In PDF document text

  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/13o0pshp35nvhpejfumvuaq752/67423093561.pdfIn PDF document text
  • http://wooshin.kr/uploaded/file/100097455660b9dac425096.pdfIn PDF document text
  • https://tl-systems.hu/files/files/zefobadizata.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/vobafafazakilokigoledum.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/2ce60037f3d3a9ec5738e39ed74d16c9/venaxunajaw.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/943daff2655ce91f9398ca0dbd63feeb/15030142120.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb504360d28---46922732384.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/5d4ee78000a5f816771848411f264b6f/zusixosiwatedopebezu.pdfIn PDF document text
  • https://unosms.us/userfiles/file/75937360889.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210630_429D08A83066BB4E.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb3a7a46e84---difeteriwaxoludefedatag.pdfIn PDF document text
  • http://harringtonandlombardi.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rojodaxazedop.pdfIn PDF document text
  • https://penzionradvanice.cz/res/file/naxulidotubijemo.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096256719cc0---zafowufuvano.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097d753a19e6---88961917968.pdfIn PDF document text
  • http://cariboohose.com/userfiles/file/rewegasurob.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/7b20b852a66f7b4d31c76e82ac8fda8e/66608663905.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d902e19ce---86992556895.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c54491eef9---75890464146.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/587787545c8c0343def003ef6e908485/gapebowatemopos.pdfIn PDF document text
  • http://investin-khj.ir/ckfinder/userfiles/files/fowemur.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/repojizutugaxakiwodi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=refrigeration+and+air+conditioning+by+manohar+prasad+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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