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://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160f223626a91d---19539756998.pdf In PDF document text

  • https://gadesign52.com/uploads/files/202108161835474894.pdfIn PDF document text
  • http://dga.gr/ILC/img/file/5446337266.pdfIn PDF document text
  • http://surtek.biz/image/files/20150204_041603.pdfIn PDF document text
  • https://newshieldinsurance.com/demo/gsa/final/images/file/49808599645.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608108a27bf70---fajozefobazat.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160712599c5a69---fukuxedalagij.pdfIn PDF document text
  • https://nslogisticservice.com/userfiles/files/47772608218.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/fususaneborotoxujo.pdfIn PDF document text
  • http://montaze.org/democms/userfiles/file/87207769763.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/f8ce325945df16077103d536fa0efd4c/kulimedaxagizi.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b2e7cd597---buzamoxokoj.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f59126bd8d---63566414232.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/b2egafvdrf88mrg5vmimhlajf9/85259019766.pdfIn PDF document text
  • http://xn--80age2amlc.xn--80adxhks/pics/images/file/jeroxalelojudesabarojove.pdfIn PDF document text
  • https://chongtham68.com/app/webroot/uploads/files/lawiduwepuvimesupozoru.pdfIn PDF document text
  • http://vinhthuan.vn/upload/files/fijipafuzuk.pdfIn PDF document text
  • http://vimbark.sk/editor_uploads/files/tipetipi.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/ojdecat0eiq2pjrc2e3hc9tooh/musabalo.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/pcmddc5kqbbq2n9chj3hvht3fp/mifiwutodevesim.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/84912885077.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/puvekepi.pdfIn macro / runtime command snippet
  • http://wksx.top/images/userfiles/file/tetituxeborewupo.pdfIn macro / runtime command snippet
  • https://smg.bid/ckfinder_userfiles/files/61243990050.pdfIn PDF document text
  • http://www.oiseaubleu-promo.fr/userfiles/file/95088112340.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=primary+sector+of+the+economy+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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