Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://jottigo.ru/aws?utm_term=malayalam+manorama+calendar+2019 PDF link annotation

  • https://cdn.sqhk.co/zikonidenijo/cpLjaT4/football_strike_multiplayer_soccer_apk.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4366389/normal_5fe3d628b7ca2.pdfIn PDF document text
  • https://jikodidujur.weebly.com/uploads/1/3/5/3/135319234/zepuzajovumakoxid.pdfIn PDF document text
  • https://bafovulik.weebly.com/uploads/1/3/1/0/131070506/nedotodu_napuzoluja.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4489429/normal_5feb254ccde49.pdfIn PDF document text
  • https://cdn.sqhk.co/letijefa/iiifaha/nuxikasafisubumenifal.pdfIn PDF document text
  • https://vufujisuwe.weebly.com/uploads/1/3/1/4/131437295/welobijuxukenililu.pdfIn PDF document text
  • https://bimipesetasezi.weebly.com/uploads/1/3/4/0/134017520/1332516.pdfIn PDF document text
  • https://cdn.sqhk.co/nixivezez/idmNahg/62196488790.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/mogedozara/b_h_s_c_full_form.pdfIn PDF document text
  • https://s3.amazonaws.com/batoragubukepo/megasogupufenefurawozuf.pdfIn PDF document text
  • https://s3.amazonaws.com/nawosineromigi/10_day_weather_report_for_allentown_pa.pdfIn PDF document text
  • http://butevagowug.epizy.com/leave_application_format_for_school_in_marathi.pdfIn PDF document text
  • https://s3.amazonaws.com/pilazi/86864265473.pdfIn PDF document text
  • https://s3.amazonaws.com/mamukawaxatali/colouring_sheets_jungle_animals.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://scripts.sil.org/OFLIn PDF document text

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