Malicious PDF — malware analysis report

Heuristics 7

• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160926c3e52326---zibutifixifi.pdf In PDF document text

  • https://kopari.hu/files/file/vajekejutudunozuwajuko.pdfIn PDF document text
  • http://bluekeydigital.com/images/pic/file/45047710279.pdfIn PDF document text
  • http://abwingsva.com/uploads/files/texemu.pdfIn PDF document text
  • http://dalaichau.com/files/68596938380.pdfIn PDF document text
  • https://yucekalipmakina.com/tsrm1/img/userfiles/file/5903775830.pdfIn PDF document text
  • https://divinenine.net/userfiles/file/waritomikebabetesesoxofuk.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/86404684564.pdfIn PDF document text
  • http://gmkms.net/upfile_editor/2021/files/nefidara.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/e3f39120ffb14289d31930684a2ccb48/62035662046.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2b4c15de1---97410731535.pdfIn PDF document text
  • http://tanriovermensucat.com/uploads/genel/files/30758341378.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7edab46075---19683688424.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/ouq9tgnan9pj4dp5oj9cr3enbk/nilatod.pdfIn PDF document text
  • http://ubestsports.com/imager/files/20210607134745.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16080f68c5921f---99317593472.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/6781e95b27b5d7f432784207c2df1644/19594332259.pdfIn PDF document text
  • http://centralcogtc.com/uploads/file/zagaputod.pdfIn PDF document text
  • http://jhdljz.com/userfiles/file/1626733903.pdfIn PDF document text
  • http://tcurryproperties.com/konadnew/userfiles/file/ninujopetexoraz.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/3598aad5a7c136e55efd2b513040251d/kepafexuxitaxobobudap.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/5854677cf113475742dede6c08cd0b63/64701598661.pdfIn PDF document text
  • http://nuovojob.com/userfiles/files/80875962318.pdfIn PDF document text
  • https://praward.tw/wp-content/plugins/super-forms/uploads/php/files/3120dc9582b6815533e25be80766c8d2/40731413071.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/4e3cb9ef48fb7694dc4f23d5ee34d580/pebotamigegiposipekutiw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+run+a+virus+scan+on+dell+computerPDF 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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