Malicious PDF — malware analysis report

Heuristics 7

• 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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://gettraff.ru/strik?keyword=all+bank+exam+books+free+download+pdf In PDF document text

  • https://site-1041491.mozfiles.com/files/1041491/gazelalufefalevopi.pdfIn PDF document text
  • https://site-1038439.mozfiles.com/files/1038439/2636203765.pdfIn PDF document text
  • https://site-1041090.mozfiles.com/files/1041090/80788947864.pdfIn PDF document text
  • https://site-1039728.mozfiles.com/files/1039728/fufeviw.pdfIn PDF document text
  • https://rezizeme.weebly.com/uploads/1/3/0/7/130775554/tolefogi_fiderute_lotozipo.pdfIn PDF document text
  • https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/eba620829822202.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000074e1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000074e1.bin)
  • http://fedorahosted.org/lohitIn extracted file (font_03_sfnt_off0000c054.bin)
  • https://uploads.strikinglycdn.com/files/44323259-d787-420e-9559-ecd8d62c116c/gefeninapobirukizarubonak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3605bac-8f9d-4a77-ae56-8a11d54f619d/91021904250.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/4973/8650/files/kefuxupiwefape.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4590/7349/files/19351445215.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2746/3324/files/selena_full_movie_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/8523/2811/files/edna_st_vincent_millay_poems.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/3222/6203/files/appositive_phrase_examples_in_literature.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/0383/9140/files/lupoxasogorul.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/3646/7619/files/hillsong_worship_i_give_you_my_heart_other_recordings.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_off000074e1.bin)

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