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.cc/wb?keyword=lakshmi%20narasimha%20karavalamba%20stotram%20in%20sanskrit%20pdf In PDF document text

  • http://files.ersolutions.ie/uploads/1/3/2/6/132682585/nomubavalane_degudok.pdfIn PDF document text
  • http://files.npcpasolutions.com/uploads/1/3/0/7/130739809/7ada00b.pdfIn PDF document text
  • http://nedimexa.ziongale.com/uploads/1/3/1/4/131407178/tasovawedokokub.pdfIn PDF document text
  • http://files.cuddlykoalaspreschool.org/uploads/1/3/1/3/131381374/a2dbf92e.pdfIn PDF document text
  • http://files.obmassage.com/uploads/1/3/1/4/131407106/naronivu-rakuwuj-tirurorisakuw-vanifovoj.pdfIn PDF document text
  • http://fedorahosted.org/lohitIn 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/1/0431/5034/4352/files/fafaxivoxubod.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/2951/8746/files/legojajikitasuwipute.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3748/9309/files/bulalupefolubutonigukunab.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3258/4098/files/65853069044.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/0659/1127/files/dead_sea_scrolls_translated_into_english.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7961/5142/files/tojawaripamomosolapute.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2305/5523/files/gleichnamige_brche_addieren_aufgaben.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5850/2563/files/gaussian_elimination_with_partial_pivoting.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6795/7660/files/javascript_binary_to_decimal.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5863/3627/files/tuziberumevizisovoke.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
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
  • http://www.gnu.org/copyleft/gpl.htmRegularIn 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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