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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• 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://static.s123-cdn-static.com/uploads/4408878/normal_5fc86600525b6.pdf In PDF document text

  • https://zoninezazazi.weebly.com/uploads/1/3/1/0/131070362/4be2ef53ab.pdfIn PDF document text
  • https://s3.amazonaws.com/nefunupu/afrocentrism_theory.pdfIn PDF document text
  • https://s3.amazonaws.com/zalomi/wipubam.pdfIn PDF document text
  • https://site-1179658.mozfiles.com/files/1179658/absceso_cutaneo_pediatria.pdfIn PDF document text
  • https://site-1168358.mozfiles.com/files/1168358/party_in_the_usa_chords.pdfIn PDF document text
  • https://site-1177531.mozfiles.com/files/1177531/civ_6_expansion_new_leaders.pdfIn PDF document text
  • https://site-1176489.mozfiles.com/files/1176489/used_airplane_for_sale_craigslist.pdfIn PDF document text
  • https://s3.amazonaws.com/fexuror/after_filing_charge_sheet.pdfIn PDF document text
  • https://s3.amazonaws.com/lurutopobi/63740316705.pdfIn PDF document text
  • https://s3.amazonaws.com/laginekux/53672060600.pdfIn PDF document text
  • https://subutadenurafo.weebly.com/uploads/1/3/4/5/134581349/fizodezabijuw-beralid-rikat.pdfIn PDF document text
  • https://s3.amazonaws.com/salade/91965878953.pdfIn PDF document text
  • https://site-1171628.mozfiles.com/files/1171628/66336816273.pdfIn PDF document text
  • https://site-1175933.mozfiles.com/files/1175933/nijamogetiwivomusop.pdfIn PDF document text
  • https://traffnew.ru/wb?keyword=best%20free%20spider%20solitaire%20app%20without%20adsPDF link annotation
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000e976.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000e976.bin)
  • 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://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off0000e976.bin)

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