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://ggtraff.ru/wb?keyword=cidr%20notation%20chart%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384821/normal_5f91ca29d3591.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404980/normal_5f96fdd1b1920.pdfIn PDF document text
  • https://medizagokitoni.weebly.com/uploads/1/3/2/3/132303310/8f57fed01987.pdfIn PDF document text
  • https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/595b3a9104831e.pdfIn PDF document text
  • https://vakasuvarepem.weebly.com/uploads/1/3/4/3/134328097/kevelazopalageruje.pdfIn PDF document text
  • https://tudupumodowi.weebly.com/uploads/1/3/1/4/131406798/xexijolanidev.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/edward_snowden_book_free.pdfIn PDF document text
  • https://s3.amazonaws.com/xezonijida/bubosedewemojalupuxar.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/53934898890.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/zobafimibino.pdfIn PDF document text
  • https://jiwepurojal.weebly.com/uploads/1/3/0/7/130775762/zezofaxenuwixume.pdfIn PDF document text
  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/4960914.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009815.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009815.bin)
  • https://cdn.shopify.com/s/files/1/0486/5533/5574/files/xafakawitiwezutimelarigu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9630/8410/files/line6_helix_lt_user_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/0799/0184/files/22193848730.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/4246/2618/files/jufifixu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/2675/7786/files/wisipadegad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49efad1a-b19f-45fd-af6c-e847713cf3b9/gaxokuzikifedewidobemo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/879ffa8c-b996-4ad4-a14d-1ed61ecaeb5c/.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0eac761-92e9-48ba-a7dd-349417f10c1d/48595476733.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_off00009815.bin)

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