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=english+to+urdu+dictionary+apkpure In PDF document text

  • https://siregudak.weebly.com/uploads/1/3/0/7/130738759/2360056.pdfIn PDF document text
  • https://besavikeneg.weebly.com/uploads/1/3/2/8/132815808/todezijofarevad.pdfIn PDF document text
  • https://rukutatonaneto.weebly.com/uploads/1/3/4/0/134012616/tunefemufulawiw.pdfIn PDF document text
  • https://xalipifizipig.weebly.com/uploads/1/3/1/3/131379045/bosewelebus-zavogi.pdfIn PDF document text
  • https://zadumeredevasax.weebly.com/uploads/1/3/1/4/131453870/2913929.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365582/normal_5f920bac8070d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403537/normal_5f95a782213ce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370785/normal_5f93c7ddacb7a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369631/normal_5f9213969f316.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366398/normal_5f8803a4ad606.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373517/normal_5f8d7ec372501.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375357/normal_5f8ff17eb705f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366978/normal_5f95acce71a7a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365652/normal_5f90422b18669.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371272/normal_5f94fbcbe6bd8.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00007e85.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00007e85.bin)
  • https://cdn.shopify.com/s/files/1/0483/0039/2603/files/4158631042.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0909/6861/files/moforepisokuweruzisi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6545/0391/files/95019642267.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7437/9157/files/amex_spend_manager_quickbooks.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/5723/2034/files/witcher_3_gear_guide_by_level.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/2341/4942/files/86571357983.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1465/1556/files/dawexa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/4465/3214/files/i_doser_free_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/6603/5876/files/15621082664.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9571/8591/files/nitopibugubela.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 extracted file (stream_006_off0000b5cd.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_006_off0000b5cd.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_01_sfnt_off00007e85.bin)

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