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.me/123?keyword=ahindra+ghosh+thermodynamics+pdf In PDF document text

  • https://xubuvene.weebly.com/uploads/1/3/1/3/131380433/25fa9e3f4.pdfIn PDF document text
  • https://noxepelobisuse.weebly.com/uploads/1/3/1/8/131871648/a2b7578c594.pdfIn PDF document text
  • https://zosupexaduj.weebly.com/uploads/1/3/0/7/130738593/widanatase.pdfIn PDF document text
  • https://rogidalot.weebly.com/uploads/1/3/1/6/131636841/junukijidofonegitate.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/1/0434/7048/7702/files/reddit_ask_science_fiction.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2799/6056/files/get_instagram_dark_mode_android_9.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8995/9843/files/933982655.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0890/0768/files/forumias_prelims_test_series_2020_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0314/9479/files/97772786451.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0463/2992/files/laser_gloves_green.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/7213/1750/files/99596439848.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0016/8088/files/lesizebesiseto.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5940/7765/files/regulation_of_lipid_metabolism.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5195/3557/files/niwewovekemi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/9501/4056/files/rectification_of_errors_class_11_solutions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6916/9054/files/usb_to_firewire_400_cable.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8124/4058/files/lawogokigi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e1f32eb-fb12-454b-b57b-6e84a8d48f1d/dead_to_me_rating.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/57ea03b0-2299-413f-b7d7-d1e8ff91e6aa/30553437668.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a5e939e6-1c01-4936-8529-ad8f810d0cce/vuzifinamu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/579a2bad-939c-40ea-b6b3-59589f2c10fb/59446024137.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab820378-ef9e-4ca3-9e95-6e2bca4e5064/71380086935.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/947b7e86-861f-4f0c-bb50-f9dbf586e636/bajar_canciones_de_rigo_tovar.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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