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.link/wix?keyword=commando+2013+english+subtitle+bluray In PDF document text

  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
  • http://smc.org.inhttp://smc.org.inIn PDF document text
  • http://www.indictrans.orgIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • https://static.usrfiles.com/ugd/98e298_2e0d869a5c584071b8407a83024ec44e.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/fb5067_7dfb06847cea453f85d08a17cc352b1c.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/0bcf16_53c5295195b84369b760b6eec1353c6b.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_a2c4bba5127a4c2b93fd32c817457492.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7709/8915/files/eat_fat_get_thin_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1939/3448/files/41893096404.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/22411539251.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/6820/3942/files/suzamu.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/895bef_0f9681bda0f54c13b334b547fe58f769.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/04c368_fb2e1042fbbc460d95700c0236abc54f.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/162fe6_3c7a100d9e854f6083cbb7c3aeb8f10d.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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn 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
  • https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text
  • http://sinhala.sourceforge.net/In PDF document text
  • http://sinhala.cvs.sourceforge.net/viewvc/*checkout*/sinhala/sinhala/fonts/CREDITSIn PDF document text
  • http://www.gnu.org/licenses/gpl-2.0.htmlIn PDF document text
  • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

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