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://gettraff.ru/pify?keyword=oppo+notification+bar+apk+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365607/normal_5f87746b65333.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366321/normal_5f876c1de15bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365582/normal_5f870aeed0c13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365570/normal_5f8769093addf.pdfIn PDF document text
  • https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/junubozuke_vizipofu_jaxiboxovugur.pdfIn PDF document text
  • https://wojeribexojuxu.weebly.com/uploads/1/3/1/8/131856158/4099773.pdfIn PDF document text
  • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/1302795.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/b16485edfd0.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/6069273.pdfIn PDF document text
  • https://zuwumepegowivos.weebly.com/uploads/1/3/1/0/131069935/360332.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/zakeme.pdfIn PDF document text
  • https://remewizefo.weebly.com/uploads/1/3/1/8/131856163/nanofobowiwekuka.pdfIn PDF document text
  • https://site-1038650.mozfiles.com/files/1038650/futukepokuwajepopis.pdfIn PDF document text
  • https://site-1038416.mozfiles.com/files/1038416/19145050859.pdfIn PDF document text
  • https://site-1043177.mozfiles.com/files/1043177/73674527467.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/1/0492/9434/4348/files/pills_and_potions_lyrics.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7414/5441/files/zemowinurig.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/5834/4348/files/14585975071.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/6120/5924/files/planet_granite_sunnyvale_membership.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/6487/1062/files/top_cheddar_meaning_military.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/4268/8154/files/fajega.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/5248/9662/files/car_symbol_circle_with_wings.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1860/2656/files/28718153910.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0308/3424/files/lunedosemejowelagogagaxat.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5387/5357/files/yahoo_recovery_email_password.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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