MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final malicious destination. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various PDF files, suggesting an attempt to manipulate search engine results or distribute content. The ML classifier strongly indicates 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.com/pify?keyword=commencement+of+business+certificate
- http://files.ronnaanderartist.com/uploads/1/3/1/3/131398461/b51eee962.pdf
- http://files.earringsandwhatever.com/uploads/1/3/1/6/131606027/nujeravigan-xesimuretaweba-bomazofope.pdf
- http://jotidesi.arthouseunited.com/uploads/1/3/1/4/131482976/6741964.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/0319/0181/files/ziguxajanarupepalu.pdf
- https://cdn.shopify.com/s/files/1/0431/0928/6042/files/docs_to_converter.pdf
- https://cdn.shopify.com/s/files/1/0435/0833/4744/files/gowoseni.pdf
- https://cdn.shopify.com/s/files/1/0431/3759/7591/files/51784577136.pdf
- https://cdn.shopify.com/s/files/1/0429/6769/5511/files/zogaremoxipusen.pdf
- https://cdn.shopify.com/s/files/1/0431/4172/6370/files/hidrocarburos_aromaticos_ejemplos.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuvuwagel.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42632515291.pdf
- https://cdn.shopify.com/s/files/1/0433/2286/7880/files/37961759967.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_off00005e30.bin9380f780981e987a9240fd3d77bb9beb89f504ab088780b1c6dbd3a865f66a91 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E30 | 5040 bytes |
font_01_sfnt_off00006f36.bina8851f0ba58b7010824a51d4ef3e4a8461c231096953eef376ac5afcc4b443a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F36 | 15220 bytes |
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