MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same malicious URL. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=heathkit%20hw-101%20manual%20pdf In PDF document text
- http://files.rosebeehives.com/uploads/1/3/2/6/132681647/3494897.pdfIn PDF document text
- http://files.ltfdelmarq.com/uploads/1/3/0/7/130738765/lewisuzulav.pdfIn PDF document text
- http://files.savagekat.net/uploads/1/3/2/7/132741382/zugarupiximaku_jizifatekesimij_xinew.pdfIn PDF document text
- http://files.belleharborchemists.com/uploads/1/3/1/4/131407823/nezorixox_kusuk.pdfIn PDF document text
- http://files.victoriaghairdesign.com/uploads/1/3/1/3/131398419/001b93.pdfIn PDF document text
- http://www.circuitarchive.co.uk/heath.htmIn 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/1/0434/5135/1200/files/fallout_3_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dekafarisajanitid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40545468116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5525/9546/files/46804156390.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2401/2696/files/list_of_professions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1965/6603/files/13441290616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6623/7852/files/25272328115.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8693/0329/files/xavezakasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1712/6567/files/79046285760.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8206/2753/files/70205463298.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2167/2341/files/99634499141.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4694/5436/files/33153345241.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9028/0609/files/21928018270.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000715d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x715D | 5352 bytes |
SHA-256: 6bc9ec5ed02970abc6fb49bc6af659e0edb3da50ea69307f8f87b867b28db829 |
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font_01_sfnt_off0000838d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x838D | 10748 bytes |
SHA-256: dcbe2ed2b7ed20a60b7867d0f163c77e716ea27771897b0944cd0fd0b1ff6762 |
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