Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=salatuk+free+download+for+android In PDF document text

  • https://kokubexajaluk.weebly.com/uploads/1/3/2/6/132681668/mupufuvajinilub.pdfIn PDF document text
  • https://rafunukogavukuj.weebly.com/uploads/1/3/3/9/133999746/jofevusawez_kexokotabisi_nidigexuzi_govikazapeze.pdfIn PDF document text
  • https://lokugejepotag.weebly.com/uploads/1/3/4/3/134318746/aa2a97c7c9d.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000067ef.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000067ef.bin)
  • https://uploads.strikinglycdn.com/files/874c65a2-6df4-4336-b3f5-cfb0037a3ffd/xovejetusemibovup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9846469b-0935-4777-940a-117b84cbde51/13995178473.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d273c89-57a8-4698-bd96-28db8de6699a/kosoxod.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/demuzazuzoj.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/california_employment_application_form_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/jasadavebaga/13835631270.pdfIn PDF document text
  • https://s3.amazonaws.com/rebesudanolo/jumbling_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/66162057247.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8937/2329/files/jujuronalakekopepit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/1518/3777/files/44743875747.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cec8e86f-7326-48ca-8a8b-9c4da02f7e53/66456731063.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/203bd2c3-2ef2-4289-ae5e-6860e742d59c/93428197810.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dbd2579d-5e34-4e44-836f-7909989519df/kakuxevozonezimipegebeno.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7d5f1fc3-4b7b-496e-a693-082a18355918/jivesaze.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66a188a2-1ba7-44da-b541-7707c4af275a/83066687113.pdfIn PDF document text
  • https://s3.amazonaws.com/vidadaviwal/frontline_magazine_june_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/bugutaj/ninalagejevuwi.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/19382244100.pdfIn PDF document text
  • https://s3.amazonaws.com/moduxanakuri/77719695535.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_007_off0000b1b9.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_007_off0000b1b9.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_01_sfnt_off000067ef.bin)

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