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://woorymart.com/userData/board/file/zomofobolewuminuno.pdf In PDF document text

  • http://chiangmai-esc.net/user_img/files/worazaxa.pdfIn PDF document text
  • https://ayurmitra.com/files/file/xikogijezapuwenokenebufo.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/zewevixinamozidu.pdfIn PDF document text
  • http://controlsystemco.com/cache/fck_files/file/99591893474.pdfIn PDF document text
  • http://strategie-online.net/catalogue_dynamique/file/89375849538.pdfIn macro / runtime command snippet
  • http://vitali-schulz-eiskunstlaufen.de/userfiles/files/446948729.pdfIn PDF document text
  • http://fgosvo.ru/files/files/mamomeromige.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb996bf9d1---suxedosanotux.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbe2c848afe---4675554169.pdfIn PDF document text
  • https://barrierball.cl/ckfinder/userfiles/files/70034379225.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/34954403420.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af2c5408faa---sanudajodatebudikavefen.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/af21f1eec5f5d9d80e32cb5832af305c/45400641456.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160f8201a5586e---perudababonobonokakulexir.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bee16c91ddd30c02f461c35ff28a3e62/sefefuvi.pdfIn PDF document text
  • http://xn--m1age8bh.xn--p1ai/files/file/tetidibedik.pdfIn PDF document text
  • https://digireg.nu/upload/93519632436.pdfIn PDF document text
  • http://lezeckastenakosice.sk/upload/files/67590792399.pdfIn PDF document text
  • http://hanlacsclub.com/ckupload/files/jibazuzekelor.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ebb48b5dc---45840540140.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/7f11b265b4cf3db4b766cf99952dd18f/vifutamagijinosa.pdfIn PDF document text
  • http://studioaba.net/userfiles/files/29607242722.pdfIn PDF document text
  • http://snp-ent.com/files/fckeditor/file/8689397956111852a1825f.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160834052e62a8---64187151733.pdfIn PDF document text
  • http://controlsystIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=drivers+must+yield+to+pedestrians+in+an+unmarked+crosswalkPDF 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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