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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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 http://skrabl.pl/www/rpbd/fck/file/patufabaxusozatoxomafow.pdf In PDF document text

  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/2218edb550e2dea46e6aaeed42495b7a/relemogog.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b068b2d726f---juwajola.pdfIn PDF document text
  • https://ijmscr.com/ckfinder/userfiles/files/vesimod.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/lorknm6alb5ohbkeoj8eti8aos/fisene.pdfIn PDF document text
  • http://qdcmd.com/data/files/62107664683.pdfIn PDF document text
  • http://rklatex.com/userfiles/file/72725013771.pdfIn PDF document text
  • https://reitinguok.lt/userfiles/file/dapulewipadopowopudarawi.pdfIn macro / runtime command snippet
  • http://rszm88.com/upfolder/e/files/20210803172852.pdfIn macro / runtime command snippet
  • https://ptogel2.com/contents/files/77194754699.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b63a12b261c---pazaju.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/19b77bf55dba86994b451334f81d3ad4/57597191919.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/1415a7c071781b1b7f813ea3d4fd4875/luzawusazutiduralivabu.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16079539eb4abb---14924654368.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/a930f272b20ab1194aa8c2950e186b8a/budosa.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/87d2cf52500acad53a0fdc317042c33d/44833045576.pdfIn PDF document text
  • http://parisplaza.net/clients/3/35/3561a7ce45da2f2f114a98ea6175a4b1/File/gelikipalifipijexesel.pdfIn PDF document text
  • http://aweibel.com/Photo/file/givigemerogazabofo.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/a2662bf86239ff754515a6131df18836/16118174938.pdfIn PDF document text
  • http://hz-karavany.cz/ckfinder/userfiles/files/lalavarifubotabigipe.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609283498305c---92597988355.pdfIn PDF document text
  • http://rklatex.com/userfiIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=list+of+bad+words+in+english+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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