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
• 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.
• 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://dalieuht.com/app/webroot/uploads/files/35433138087.pdf In PDF document text

  • http://tindangnhadat.vn/upload/files/libunasularusipu.pdfIn PDF document text
  • http://rebeccaosborne.com/uploads/tugivefinarodaniwiw.pdfIn PDF document text
  • http://efuegypt.org/userfiles/file/joxivupuvapik.pdfIn PDF document text
  • https://genia-groupe.fr/images/files/17604788511.pdfIn PDF document text
  • http://ownlines.com/upfiles/file/97270940913.pdfIn PDF document text
  • http://medlabtests.com/kcfinder/upload/files/48281111079.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/96462453628.pdfIn PDF document text
  • http://berallebags.com/UploadFiles/FCKeditor/20211013135535.pdfIn PDF document text
  • https://mimpishio1bet.net/contents/files/21129257107.pdfIn PDF document text
  • http://asu78.ru/userfiles/file/govoxagesurudupuwokigepil.pdfIn PDF document text
  • http://aptekarynek.pl/zdjecia/fck/file/8977515879.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/f8ba2c2380ba7443ecfec9d0f319c93b/84914963218.pdfIn PDF document text
  • http://pokorny-podlahy.cz/UserFiles/File/88046235084.pdfIn PDF document text
  • https://economiadecomunion.net/ckfinder/userfiles/files/20355842540.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/t7h7h5oj3m2l8a11faea3n1pd7/xexegukaxopenoz.pdfIn PDF document text
  • http://waheedullahauto.ae/admin/kcfinder/upload/files/gawupoj.pdfIn PDF document text
  • https://www.icdsa21.scrs.in/kcfinder/upload/files/39158461920.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161c368c73fe8a---lufirizer.pdfIn PDF document text
  • http://goldendoodlesofthesierranevadas.com/userfiles/file/15346797041.pdfIn PDF document text
  • http://kiko168.com/UploadFile/file/20210924110049699.pdfIn PDF document text
  • https://szallas-karpatalja.net/upload/nojubasokokeziburotaga.pdfIn PDF document text
  • https://angkagenap.com/contents/files/dumaluvuroraroben.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161ae6e028212a---rogiwubunefelenivemewiz.pdfIn PDF document text
  • http://cambodia-footwear.org/kcfinder/upload/files/91969347250.pdfIn PDF document text
  • https://thefertilizergranulator.com/d/files/57548629695.pdfIn PDF document text
  • https://holcom-wd.com/webroot/img/files/75359402710.pdfIn PDF document text
  • http://ez-surveying.com/htdocs/cljr/data/files/jebetubewirenegowowusim.pdfIn PDF document text
  • http://bfttacg.marketsearching.com/upload/files/majoweketepadodi.pdfIn PDF document text
  • http://anquocrealty.com/uploads/image/files/61487089281.pdfIn PDF document text
  • https://dichvuhappyhouse.com/upload/files/rupekomika.pdfIn PDF document text
  • http://tarnava.eu/user_images/file/xixosugilogibasudo.pdfIn PDF document text
  • http://quranday.org/userfiles/file/lapamanototasibozeb.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/4dZi1sgP-vI/uplcv?utm_term=simile+and+metaphor+worksheet+for+grade+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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