Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://www.lircai.com/web/inline/file/zinaru.pdf In macro / runtime command snippet

  • https://devcons.org/uploads/userfiles/files/juzapifenexalevasenuk.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/vipujejikixefosesamivum.pdfIn PDF document text
  • http://gammatradings.com/userfiles/file/44292643366.pdfIn PDF document text
  • http://topas.lt/userfiles/file/179711042.pdfIn PDF document text
  • https://sukienmiennam.com/userupload/files/64290801164.pdfIn PDF document text
  • https://uslugiinzynierskie.eu/eurostyl/photos/file/12264539570.pdfIn PDF document text
  • http://yachtandgulet.com/userfiles/file/59264787655.pdfIn PDF document text
  • http://mirutte.com/newsfiles/files/25463998437.pdfIn PDF document text
  • http://www.aragonemprendedor.com/userfiles/files/46230265940.pdfIn PDF document text
  • http://igigeothermal.jp/userfiles/file/53987250572.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/45518454828.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/34a1kgntuu5lldhdiu5mvkei0t/sotovukib.pdfIn PDF document text
  • http://wxeina.com/userfiles/files/85279485382.pdfIn PDF document text
  • https://er-cardiff.com/eurostyl/photos/file/notuxiku.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/sotuwewir.pdfIn PDF document text
  • http://grupophi.es/uploads/files/89937713994.pdfIn PDF document text
  • http://fsf-vastroad.com/userfiles/file/33540450389.pdfIn PDF document text
  • http://elosc.com/upFile/file///ITX202109192055278277.pdfIn PDF document text
  • http://christopherdallo.com/file/85045487238.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3fe904ed7---zogosepufolefot.pdfIn PDF document text
  • http://bhhangkhong.com/upload/images/files/79237076182.pdfIn PDF document text
  • http://sarigol.kr/userData/ebizro_board/file/66340717938.pdfIn PDF document text
  • https://signika.pl/Upload/file/zugobibe.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/385325f3c6dc5014df3f7c4ed20352a7/59150432243.pdfIn PDF document text
  • http://abbeytraining.net/userfiles/file/vimodejopomitagujuxu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=growing+curly+parsleyPDF 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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