MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm designed to trick users into downloading files, masquerading as search results for free PDF downloads. The primary malicious URL identified is https://ttraff.com/wix?keyword=critical+path+buckminster+fuller+pdf+free+download, which is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains this URL and numerous other links to PDF files, suggesting a SEO poisoning or link farm attack. No scripts were extracted, but the presence of embedded URLs and the malicious redirector strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.com/wix?keyword=critical+path+buckminster+fuller+pdf+free+download
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_1a1696d41ac94ba9a488f2d11346b43b.pdf
- https://static.usrfiles.com/ugd/b8c837_83e238e609754ece8cb303595b7fac41.pdf
- https://static.usrfiles.com/ugd/8b97dd_a5b7955f06004038b52d43def7373750.pdf
- https://static.usrfiles.com/ugd/b8c837_ba5fa293ed1a4ec099233b8be7ab6b80.pdf
- https://cdn.shopify.com/s/files/1/0431/9726/8128/files/10888535564.pdf
- https://cdn.shopify.com/s/files/1/0429/4272/6310/files/nice_guidelines_suprapubic_catheters.pdf
- https://static.usrfiles.com/ugd/b5472a_47cb7f594c624ca8a749172b7ad0d5b3.pdf
- https://static.usrfiles.com/ugd/b8c837_81b87fe516dd48da9ca8c03f5954dd05.pdf
- https://cdn.shopify.com/s/files/1/0437/7500/0730/files/brown_eyed_girl_guitar_chords.pdf
- https://cdn.shopify.com/s/files/1/0436/1460/1378/files/77557599176.pdf
- https://cdn.shopify.com/s/files/1/0437/5032/6426/files/complicated_cystitis_guidelines.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e2c.binced6e8a654933fed4eb03b0e616c913fb2f3963728f8071d35e633e725dee195 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E2C | 5596 bytes |
font_01_sfnt_off0000810f.binb64e81a2174dfd1b9f656b949f82893c500e08e4e45c1bf52f7416b5f85e90bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x810F | 10036 bytes |
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