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.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://nguoigiupviec99.com/webroot/img/files/mewodoroji.pdf In PDF document text

  • https://sreekanakananda.com/ckfinder/userfiles/files/23045705599.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/a6a93609415039e8e36ecd0ec145b7d4/rolozoworigogumezujo.pdfIn PDF document text
  • http://www.stadion-zarya.ru/ckfinder/userfiles/files/23339212958.pdfIn PDF document text
  • http://thekitchendesignstudio.org/uploads/files/16850538455.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/49992798440.pdfIn PDF document text
  • https://www.sterlingsez.com/ckfinder/userfiles/files/86158022598.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/jeraduf.pdfIn PDF document text
  • http://czyxchem.com/upload/files/79532108050.pdfIn PDF document text
  • https://etonbio.com/newsLetters/images/file/77183005251.pdfIn macro / runtime command snippet
  • https://whatshoulditcostme.com/userfiles/file/movewinuleromedulekedarob.pdfIn macro / runtime command snippet
  • http://chromowane.com/userfiles/file/59700099545.pdfIn PDF document text
  • http://polaryachts.com/res/wysiwyg/file/6885846370.pdfIn PDF document text
  • https://optimuselearningschool.com/learning/site/images/uploadfiles/jegekuratujawonufus.pdfIn PDF document text
  • http://saxonrt.hu/img/userfiles/files/40187238266.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/9121ba77fd7084b918bb4b891d191ca6/4389074975.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/6dc03f0858a65f31d0ed4500f457c1d1/14014548865.pdfIn PDF document text
  • http://lamorenj.com/userfiles/files/zebolefakax.pdfIn PDF document text
  • http://195exim.com/datas/files/82323132278.pdfIn PDF document text
  • http://madonnina.info/userfiles/files/5006564201.pdfIn PDF document text
  • http://01host.ru/userfiles/files/nivif.pdfIn PDF document text
  • http://dui-antidote.com/images/userfiles/file/tolonasoluxi.pdfIn PDF document text
  • http://fujieshubao.com/zk/UploadFile/file/2021091923103373499.pdfIn PDF document text
  • http://lex.tj/img/file/zimovaluwiwanaxilo.pdfIn PDF document text
  • http://odumakus.com/uploads/files/ronetuda.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/9345a6deeb26410ae241ec1d04df55a9/bumodugikurobuwiv.pdfIn PDF document text
  • http://czyxchem.com/upload/In macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=how+to+take+screenshot+on+galaxy+note+5PDF 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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