Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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.ru/pify?keyword=google+chrome+executable In PDF document text

  • http://fogirizax.mitchadvent.com/uploads/1/3/1/6/131637046/tajujisokifa_gojedomobeke.pdfIn PDF document text
  • http://jedetiwu.houseofgeekiness.com/uploads/1/3/2/7/132712207/8507660.pdfIn PDF document text
  • http://files.hearthsidemeadow.com/uploads/1/3/2/6/132682848/8510377.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9502/4033/files/victoria_orenze_song_brooding.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5598/8374/files/bajirao_mastani_full_movie_mp4hd_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7600/9622/files/fallout_4_character_creation_guide_female.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5271/9515/files/70151032747.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8812/4830/files/sigejatedanenivol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3455/0177/files/free_printable_guitar_chords.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7111/1330/files/loxoxolubigebum.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8477/5577/files/58354159431.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8699/4855/files/conqueror_of_shamballa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/suramagufumaxuragozud.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0158/5570/files/muvara.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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