Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://ttraff.link/123?keyword=android+lollipop+status+bar+apk In PDF document text

  • https://pigogokeda.weebly.com/uploads/1/3/1/8/131857695/53eebf2ff.pdfIn PDF document text
  • https://lotagixowila.weebly.com/uploads/1/3/1/1/131164100/jumaje-povapeje-lejevi-nijeketak.pdfIn PDF document text
  • https://digafixi.weebly.com/uploads/1/3/0/7/130776371/wejixone.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006450.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006450.bin)
  • https://s3.amazonaws.com/donake/anthony_giddens_sociologija.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/xeloduxubazotesijapu.pdfIn PDF document text
  • https://s3.amazonaws.com/tuzamada/love_story_in_english_file.pdfIn PDF document text
  • https://s3.amazonaws.com/wujodibu/tulefalidodorapetogo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b6b2cc79-abf9-4998-a577-55449009e625/25472493098.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/37a70911-14f1-4df3-89ec-318837a8c3f6/93725438641.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/472da49a-f3a7-4774-bf94-43e8f08b18a3/tiwumetijurifo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7fe4572b-7301-46ae-a162-b5b886a732e9/69350662780.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8688/8601/files/vipejiguwizeporizugo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9462/9786/files/55842583268.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2626/7291/files/rujoru.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0840/7703/files/ias_english_literature_syllabus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9256/8983/files/poguvogulil.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/7210/2822/files/zijarumokasuvavufup.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 extracted file (font_00_sfnt_off00006450.bin)

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