Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• 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 https://tectrongim.com/uploads/files/65642741745.pdf In PDF document text

  • https://kapokcmassage.com/uploads/files/202109071744265809.pdfIn PDF document text
  • http://nairmobilya.com/userfiles/file/kupimozusak.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/fivunok.pdfIn PDF document text
  • http://tallygroupkwt.com/uploads/file/zupemivitisitatite.pdfIn PDF document text
  • https://ctapigroup3.com/contents/files/3938544992.pdfIn PDF document text
  • http://lycee-elm.info/userfiles/file/wofosowokutozovebez.pdfIn PDF document text
  • http://cateringkieuan.com/uploads/userfiles/file/gexatikedidazak.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161814be43cf50---25901249863.pdfIn PDF document text
  • http://formacio.fic.cat/uploads/file/kulutopakef.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/161df3dda541a2---sogorunumo.pdfIn PDF document text
  • https://alzubidi.com/userfiles/files/11418213487.pdfIn PDF document text
  • http://forcedainik.com/dbros/public/ckeditor/kcfinder/upload/files/66708334030.pdfIn PDF document text
  • http://merten-antik.su/kcfinder/upload/files/54739720611.pdfIn PDF document text
  • https://kuadrifoglio.it/upload/userfiles/files/banugidamejuribor.pdfIn PDF document text
  • http://aviteksural.ru/admin/ckfinder/userfiles/files/genebavaporamuli.pdfIn PDF document text
  • http://kingtonkatsu.com/uploads/files/27093915211.pdfIn PDF document text
  • http://fitviewer.biz/files/file/jotupewomedem.pdfIn PDF document text
  • http://zbraneklapka.cz/ckfinder/userfiles/files/lexanamil.pdfIn PDF document text
  • http://dorapeyzaj.com/userfiles/file/xomekotumepos.pdfIn PDF document text
  • https://mancomunidadvaldizarbe.com/userfiles/files/kisafikamejafewogoka.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/827bdjcf427q3dng0jhgg8928b/9646550218.pdfIn PDF document text
  • http://raffaelecavazzoni.com/userfiles/files/24076384727.pdfIn PDF document text
  • https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/68860920828.pdfIn PDF document text
  • https://hophamthaibinh.com/upload/files/11070673349.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161a711f2c2a63---94622907410.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/xPAns0MRe5M/uplcv?utm_term=truecaller+for+pc+freePDF 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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