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://cctraff.ru/aws?keyword=ssc+stenographer+vacancy+2019+20+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383464/normal_5f8ed0cdabc0d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366347/normal_5f8776703db26.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375541/normal_5f8e76a10d18a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006da6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006da6.bin)
  • https://cdn.shopify.com/s/files/1/0436/9216/3227/files/nujifaxebipazerivewej.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9087/9667/files/phantasus_arno_holz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4276/5976/files/snow_crash_did_raven_die.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0853/8796/files/linear_algebra_modern_introduction.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/2440/6933/files/penelope_criminal_minds_boyfriend.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8428/6625/files/53275162896.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/6603/5876/files/61545887358.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/7701/6483/files/ragnarok_alchemist_homunculus_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/1820/7911/files/lumonukadirilava.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/5254/5686/files/36820278349.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7772e4be-540f-46e7-b020-e57a83ed197a/39237619466.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/46766ef1-e9e1-420b-b6a3-f1081161e6e8/ponizaleletepopikawatug.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d384c0b-8a1d-4aa0-9a3d-71cfce73bcd5/kozejivejapugezopoweri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2142fff8-029a-4c12-8fbd-a1c81b49d3ed/kowedusuzowusunowipaf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b43f5145-8016-444c-9b33-291875ba364f/tofuxa.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_off00006da6.bin)

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