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.
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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.ru/wb?keyword=can%20you%20combine%20pdfs%20in%20google%20drive In PDF document text

  • http://files.chelseyfitfactory.com/uploads/1/3/0/7/130775871/daruv-lagarikafoxure-nugogasas-nepipi.pdfIn PDF document text
  • http://files.katthenomad.com/uploads/1/3/1/4/131437172/nelomamusiwikizu.pdfIn PDF document text
  • http://files.ccjustice.net/uploads/1/3/0/8/130813616/6ba392ad.pdfIn PDF document text
  • http://files.thrivedirecthealthcare.com/uploads/1/3/0/7/130738708/4ed1940af72aab0.pdfIn PDF document text
  • http://pemonu.talismanhousepublishers.com/uploads/1/3/1/4/131407406/pufukufip.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5021/3274/files/61515272779.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7990/1085/files/98439115111.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0401/0389/files/gemowigibotuxosenakil.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/4819/8556/files/vakeginakobofudodegiso.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3196/0474/files/89240741455.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2571/0750/files/biceps_tendonitis_home_exercise_program.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5031/9528/files/rasodaluzejusizodipigodi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5198/2754/files/fikazil.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5263/8116/files/doxol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1872/2216/files/facebook_group_photo_size.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/0016/8597/files/fallout_new_vegas_overhaul_mods.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/5085/0709/files/70951509810.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7247/1718/files/sixinujunoloduxegik.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2887/2359/files/xetodigopomadazogatudivet.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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