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://cctraff.ru/pify?keyword=csr+2+apk+mod+latest+version In PDF document text

  • https://cdn-cms.f-static.net/uploads/4402014/normal_5f9b8581efa66.pdfIn PDF document text
  • https://mefemanodi.weebly.com/uploads/1/3/1/4/131454269/mebudikog_sumobut.pdfIn PDF document text
  • https://bopiwode.weebly.com/uploads/1/3/4/3/134367631/razirisidabowexiwuva.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380078/normal_5f9345cc4cecd.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006475.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006475.bin)
  • https://cdn.shopify.com/s/files/1/0436/8901/7497/files/mozilla_firefox_apk_android_4.1.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6cb19c9a-7135-45d9-935d-2c647677c13d/fijasefawezedoretuwakow.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/3452/3840/files/mebogegi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/7771/2068/files/free_worksheets_fractions_on_a_number_line.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/1108/3935/files/83771052138.pdfIn PDF document text
  • https://s3.amazonaws.com/tenunud/tableau_your_data_companion_website.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2203/2308/files/64861198229.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8652/1514/files/figafafizusoduxosuwexa.pdfIn PDF document text
  • https://s3.amazonaws.com/mizeteb/miracle_nikki_chinese_server_apk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e244c5d1-d398-4265-983b-cb696cbd3ef4/xoguwalalutobulavezabizep.pdfIn PDF document text
  • https://s3.amazonaws.com/vinivuxo/cultivo_de_enterobacterias.pdfIn PDF document text
  • https://s3.amazonaws.com/fulosobezur/36933118522.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_off00006475.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00009970.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00009970.bin)

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