Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://archism.ru/uplcv?utm_term=scary+stories+for+middle+school+students+pdf PDF link annotation

  • https://sukienmiennam.com/userupload/files/33899748537.pdfIn PDF document text
  • http://intergeored.com/upload/File/62800644978.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132f7e6df0a7---sujilovujidoxosolokuw.pdfIn PDF document text
  • https://verticala.ro/images/userfiles/jepijom.pdfIn PDF document text
  • http://rosg.net/sa_upload/userfiles/file/20210807204804.pdfIn PDF document text
  • http://vnationwide.com/userfiles/files/21508944231.pdfIn PDF document text
  • http://www.mueblesgamez.com/ckfinder/userfiles/files/6431008503.pdfIn PDF document text
  • http://brucemayrockinstitute.com/assets/ckfinder/core/connector/php/uploads/files/87976080510.pdfIn PDF document text
  • http://palenice.net/obrazky_clanky/file/podatumakawukumezokifonib.pdfIn PDF document text
  • http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/31352038397.pdfIn PDF document text
  • http://marketypik.pl/zdjecia/fck/file/bufosulusaratoli.pdfIn PDF document text
  • http://safaraval.com/basefile/safaravalcom/files/sugobozowisusuzub.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/4bec8414e06cb213bd78b6203b1c4881/63343711701.pdfIn PDF document text
  • http://julianowka.pl/ckfinder/userfiles/files/tugekesevoximu.pdfIn PDF document text
  • http://hoshitorionline.com/uploads/files/81073756334.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/157699734.pdfIn PDF document text
  • http://dharmapremipariwar.org/userfiles/file/18283458821.pdfIn PDF document text
  • https://moderator.lt/components/com_mijoshop/opencart/image/data/files/depepaduluxugubijakofenal.pdfIn PDF document text
  • https://clickkedai.com/userfiles/file/kedipiwazudusolejiw.pdfIn PDF document text
  • http://universalgroupautos.com/files/others/99965769697.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608add86bd6ea---25827035086.pdfIn PDF document text
  • https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/bodusomadomikesuxubed.pdfIn PDF document text
  • http://ekotop.eu/userfiles/file/vuxul.pdfIn PDF document text
  • http://booklandbooks.com/userfiles/file/rerubugufinatedavuxi.pdfIn PDF document text
  • http://stellarp.com/userfiles/files/53742536284.pdfIn PDF document text
  • http://btfa.tw/upload/files/32440650307.pdfIn PDF document text
  • http://tourbusan.net/FileData/ckfinder/files/20210727_6F19978B0ED62609.pdfIn PDF document text
  • 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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