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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://logenamerica.com/userfiles/file/gepegad.pdf In PDF document text

  • https://vibingvibes.com/userfiles/files/nufudut.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/15022641847.pdfIn PDF document text
  • http://cobe-ing.it/userfiles/files/6655830360.pdfIn PDF document text
  • https://promoform.coreform.it/uploads/file/9767798869.pdfIn PDF document text
  • https://ooo-kenk.ru/userfiles/file/fufugiwukizawulokadal.pdfIn PDF document text
  • https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/libasisejubalowimamisatet.pdfIn PDF document text
  • http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/zebutavinulorig.pdfIn PDF document text
  • https://bankubezpieczen.pl/userfiles/file/45652790450.pdfIn PDF document text
  • http://lovebridal.moscowfashion.net/content/xuploadimages/file/suluzojajufamigu.pdfIn PDF document text
  • https://www.edmcenter.xyz/ckfinder/userfiles/files/diderazo.pdfIn PDF document text
  • http://sashtraayurveda.com/ckfinder/userfiles/files/41592548733.pdfIn PDF document text
  • http://hnkingdee.cn/Files/file/2021121204555.pdfIn PDF document text
  • http://www.perlodrink.com/documents/70676302047.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/789e7c3a735d134a7589702b62eb9179/viregewu.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/9np03enlqp4nb2m671qn96k3s5/42198580503.pdfIn PDF document text
  • http://hotelborgodeipoeti.com/userfiles/files/58955701983.pdfIn PDF document text
  • https://ourcampuswindow.com/ckfinder/userfiles/files/sixod.pdfIn PDF document text
  • http://yeke.com.tr/public/kcfinder/upload/files/demimarojipuvebazu.pdfIn PDF document text
  • https://colortest.biolifecosmetics.com/upload/file/bumoxesobanomakekadev.pdfIn PDF document text
  • http://balbu.eu/uploads/news/file/55651268522.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/2889d8b11b84b98ea3aa3368607621ee/41331667566.pdfIn PDF document text
  • https://rais.bg/uploads/file/929660554.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/2I9n2o-U8HI/uplcv?utm_term=non+defining+relative+clause+worksheet+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 extracted file (font_00_sfnt_off0008c2cb.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0008c2cb.bin)

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