Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://philabc.ru/uplcv?utm_term=win+ballada+basic+accounting+pdf+answer+key PDF link annotation

  • https://bulendengin.com/upload/ckfinder/files/gituduvupoto.pdfIn PDF document text
  • http://centromedicoveterinarioadda.com/userfiles/files/firoxoraga.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16133fc9c735eb---vamibesomegefoziki.pdfIn PDF document text
  • http://china-zub.ru/userfiles/file/jixadol.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/qi6vlc46g2fikmltd6lo8k10i1/bifor.pdfIn PDF document text
  • https://autopsrus.com/ckfinder/userfiles/files/xelikedugal.pdfIn PDF document text
  • http://thedreams.cz/files/romuk.pdfIn PDF document text
  • http://flexa.cz/docs/file/15011738696.pdfIn PDF document text
  • http://www.moyekolodin.com/files/44014235763.pdfIn PDF document text
  • http://pc580.cn/upload_fck/file/2021-9-6/20210906121038730763.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16140025853781---tututatobama.pdfIn PDF document text
  • http://0851gay.org/userfiles/202109file/2021091318253070554.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/161308cd9d174d---69609452472.pdfPDF link annotation
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/56892303236.pdfIn PDF document text
  • http://hyunbulsa.org/~ewedd2/userfiles/file/gumuxesumojirabegogadu.pdfIn PDF document text
  • http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/xamazaxupijofekow.pdfIn PDF document text
  • http://www.kowel.com/ckfinder/userfiles/files/1631429226.pdfIn PDF document text
  • http://heninrealty.com/userfiles/files/sopuzupuluxarumumu.pdfIn PDF document text
  • http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/rasasikabarojasa.pdfIn PDF document text
  • https://abzesolar.com/uploads/files/96414421407.pdfIn PDF document text
  • https://jdsliquorlocker.com/nbloom/fckuploads/file/lisanowetesaxaxofe.pdfIn PDF document text
  • http://bckbytow.naszbip.pl/img/upload/files/2090199093.pdfIn PDF document text
  • https://jamisonfurnace.ca/userfiles/files/xefibizerulu.pdfIn PDF document text
  • https://tarzminder.com/resimler/files/68879616007.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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