Malicious PDF — malware analysis report

Heuristics 5

• 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://wills.sg/wp-content/plugins/super-forms/uploads/php/files/85528a46ae8f3a54a18b26f0ea301d95/90088080519.pdf In PDF document text

  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/i8b9v11jul50c185846a0195l3/wotoxevuju.pdfIn PDF document text
  • https://edu-mate.kr/_UploadFile/Images/file/25828643563.pdfIn PDF document text
  • http://voxel-avocats.fr/uploads/file/kovazasuronex.pdfIn PDF document text
  • http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/91715895053.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/79785716751.pdfIn PDF document text
  • http://ziconiavip.com/uploadfck/file/wowezigopipepaxeka.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607178a41bc82---jimafupiva.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/2420be0cbc02bea070099a58b9673eef/26854735146.pdfIn PDF document text
  • http://bularz-auto.pl/images/userfiles/file/rotakalimorul.pdfIn PDF document text
  • http://oprandi.it/userfiles/files/43732769178.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160882ad56d703---84984795655.pdfIn PDF document text
  • http://richardchong.com/userfiles/files/44844937158.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/uul25j97ljacad0hsv99psmcl3/14258666898.pdfIn PDF document text
  • https://frontlinetherapist.com/wp-content/plugins/super-forms/uploads/php/files/dbaccba705875a9dc08be331ef6d16ef/feditinategomeduzi.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b83e5b61d2---58493685308.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aaaaaa86d5---xobumizukokenuvuwu.pdfIn PDF document text
  • https://wfca-czech.cz/temp/userfiles/files/72270891600.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f4fe3c11af---74468546055.pdfIn PDF document text
  • http://waltwhitmanclassof1965.com/clients/c/cc/ccbfa8a87e297cd67510599b8aebcb74/File/10170512645.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/wogimewetewosutezi.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/ead17d7748f258da8247df5f7f49c19d/22848758248.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d61ffde1bbe---8790395603.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/f0mo1vh8t19sth0c888loq4ut5/fepazemu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=best+wireless+earbuds+2019+under+50+ukPDF 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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