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
• Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• 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.
• 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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://amthanhanhsangchinhhang.vn/upload/files/45877023484.pdf In PDF document text

  • http://annabarons.com/files/files/84644915467.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613dcc88de01c---topizixuxekibovugegovula.pdfIn PDF document text
  • http://mh-gartengestaltung.de/userfiles/file/pegufipoxulijori.pdfIn PDF document text
  • https://ataru.site/js/ckfinder/userfiles/files/sixukap.pdfIn PDF document text
  • http://petra-koparki.pl/Upload/file/78624387537.pdfIn PDF document text
  • http://kammed.com/userfiles/file/93953751993.pdfIn PDF document text
  • http://highspiritsmusic.com/ckfinder/userfiles/files/fufuvafege.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/00072cfda92c12a2386dff543a9211a2/96652413919.pdfIn PDF document text
  • http://gomientrung.vn/uploads/image/files/68678454983.pdfIn PDF document text
  • http://alfadent-volg.ru/images_uploads/files/48957270280.pdfIn PDF document text
  • https://maisonforville.be/documents/file/17101632902.pdfIn PDF document text
  • https://activepymes.com/pub/file/57342531795.pdfIn PDF document text
  • https://vargyasnekonyveles.hu/kepek/other/file/tosatamogavutib.pdfIn PDF document text
  • http://upservice.expert/admin/ckfinder/userfiles/files/55180489531.pdfIn PDF document text
  • http://us-for-edu.com/imgs/file/51994634455.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161694d7bef8c7---woxejegu.pdfIn PDF document text
  • https://hongming-eco.com/userfiles/file/lejegegiwefetinanuwugu.pdfIn PDF document text
  • http://kiko168.com/UploadFile/file/20211219031414395.pdfIn PDF document text
  • http://kondicionery-himki.ru/upload_picture/file/dikunixew.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139fd4255bbf---17336478219.pdfIn PDF document text
  • http://koreabulk.net/userData/board/file/fojibuse.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/RC0zOYPQW8A/uplcv?utm_term=certificado+medico+pdf+cruz+rojaPDF 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 extracted file (font_00_sfnt_off00038f28.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00038f28.bin)

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