MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.cc'. This link is presented within the document body, disguised as a PDF download. The PDF also contains a large number of external PDF links, many of which point to unknown or potentially malicious domains, suggesting a link farm or redirection scheme. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=carlos+marighella+minimanual+of+the+urban+guerrilla+pdf
- http://fewolozog.rgvoorhees.com/uploads/1/3/0/7/130776262/tizuno.pdf
- http://files.spectaclesdirectedinburgh.co.uk/uploads/1/3/1/3/131383377/9427869.pdf
- http://lekizolif.grayinghockey.com/uploads/1/3/1/4/131437984/kebuve.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/8157/9161/files/triple_scalar_product.pdf
- https://cdn.shopify.com/s/files/1/0443/0381/0716/files/circulatory_system_mcq.pdf
- https://cdn.shopify.com/s/files/1/0439/1639/4648/files/15980557404.pdf
- https://cdn.shopify.com/s/files/1/0451/3467/6133/files/cetoconazol_cp_bula.pdf
- https://cdn.shopify.com/s/files/1/0428/0100/4707/files/sigex.pdf
- https://cdn.shopify.com/s/files/1/0432/1853/4557/files/11183643803.pdf
- https://cdn.shopify.com/s/files/1/0430/8012/2532/files/84356925648.pdf
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/tozarufijono.pdf
- https://cdn.shopify.com/s/files/1/0428/9812/9059/files/77821422100.pdf
- https://cdn.shopify.com/s/files/1/0431/6269/7894/files/jupizoduwefex.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_off000074d1.bind99936e8fd2f0748795f448532b69eb2fd714b47d5c258c7f55cbb6dfe3c92c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74D1 | 5500 bytes |
font_01_sfnt_off0000874f.bin5f7639dc60f9ae35655e0b63bd721c5f9c687ad4d144f06c5ad35417d7a3d194 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x874F | 13480 bytes |
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