Malicious PDF — malware analysis report

Heuristics 8

• 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.
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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.ru/pify?keyword=clicker+heroes+2+free.
• 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/pify?keyword=clicker+heroes+2+free In PDF document text

  • http://files.parischeckout.com/uploads/1/3/0/7/130738712/gosawapavofixatuf.pdfIn PDF document text
  • http://files.rockytopvacationhomerentals.com/uploads/1/3/0/7/130738998/sozaselewozubunado.pdfIn PDF document text
  • http://files.stowefamilywellness.com/uploads/1/3/0/7/130739648/4953447.pdfIn PDF document text
  • http://files.fundamentallysoundbasketball.net/uploads/1/3/2/6/132681954/febatuxutadudebebam.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/1/0429/5426/0643/files/52695832746.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8049/9879/files/doppelganger_dnd_5e.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3353/4357/files/91396212950.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8658/5749/files/82950208636.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9829/1870/files/77877671321.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/2672/7580/files/jufogowaw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6553/1806/files/ronakofabus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/vilabegabidulurobororo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/2381/1239/files/sixoluzunuzerixozawamem.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

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