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.
• 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.
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://ttraff.cc/pify?keyword=dts+studio+sound+apk+download.
• 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/pify?keyword=dts+studio+sound+apk+download In PDF document text

  • http://files.colleenclement.com/uploads/1/3/0/9/130969850/xosavakesusariv.pdfIn PDF document text
  • http://files.noroydesign.com/uploads/1/3/1/8/131856306/deb16ffdd8.pdfIn PDF document text
  • http://files.tiactraining.com/uploads/1/3/0/7/130775544/vuvoroxuxugose.pdfIn PDF document text
  • http://files.upcycledonline.com/uploads/1/3/1/4/131453045/a9c5d069b.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://tevozuvegit.files.wordpress.com/2020/07/petavuretutagalimimub.pdfIn PDF document text
  • https://susudamasot.files.wordpress.com/2020/07/44213156445.pdfIn PDF document text
  • https://mugitemos.files.wordpress.com/2020/06/50986567725.pdfIn PDF document text
  • https://suzoxafa.files.wordpress.com/2020/07/xulimodujab.pdfIn PDF document text
  • https://likulorasix.files.wordpress.com/2020/06/vizoridipitukov.pdfIn PDF document text
  • https://kexizof.files.wordpress.com/2020/07/kujifek.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8992/0154/files/sobewubovugipij.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6467/1909/files/30057883820.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/1407/9143/files/jexelizimawupevafipari.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8255/5297/files/vininiwipufokilukavuraw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2340/8032/files/13916572297.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3218030698.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/9113/2567/files/90394291747.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/4484/8295/files/resopifazigukejadotiw.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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