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.cc/wix?keyword=%25EA%25B9%2580%25EC%2584%25B1%25EC%2588%2598+%25EB%25AA%25A9%25EC%2582%25AC+%25EC%2584%25A4%25EA%25B5%2590 In PDF document text

  • http://vodiv.huonvalleyescapes.net/uploads/1/3/1/4/131438405/941987.pdfIn PDF document text
  • http://files.allanlacoursiere.com/uploads/1/3/1/4/131438510/gadim-xogidizig-guxaparumot.pdfIn PDF document text
  • http://kapedomu.quiltsforu.com/uploads/1/3/0/9/130969110/jalikodes.pdfIn PDF document text
  • http://nutupal.jacksonandthepoolsharks.com/uploads/1/3/1/4/131406893/kelal.pdfIn PDF document text
  • http://pavinixe.theimperfectmd.com/uploads/1/3/0/7/130776824/sewaruw_litafefusujele.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5891/2662/files/chaahat_movie_480p.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/4262/5953/files/attraction_movie_tamil_dubbed.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/9667/7279/files/memorandum_report_format.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1271/6701/files/kofulejonumumujamera.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3815/4650/files/bulandiyan_song_full_hd_video.pdfIn PDF document text
  • https://e728b248-919b-4288-8a5d-1071e3439463.filesusr.com/ugd/f390e7_6eb032e6e6014fea9ed67b79b259e961.pdf?index=trueIn PDF document text
  • https://f38e972f-dab2-4496-915a-e9b04049204a.filesusr.com/ugd/2b25b5_4032a594e5ff4915bd247a1f087b36a6.pdf?index=trueIn PDF document text
  • https://2f9aacda-23fb-4a77-ba47-d91ef33f1306.filesusr.com/ugd/8a9bcc_88c734a941c54777802f516f8cc1abee.pdf?index=trueIn PDF document text
  • https://e8f2692e-9b90-4263-a583-688f2b503aa4.filesusr.com/ugd/4329d7_bdf20c2772b24c1286453f3c80c24668.pdf?index=trueIn 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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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