MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary malicious URL being https://ttraff.com/wix?keyword=teoria+de+la+comunicacion. The document body, though heavily obfuscated, contains this URL, suggesting the document's purpose is to lure users to this malicious site. No scripts were extracted from this sample.
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=teoria+de+la+comunicacion
- https://static.usrfiles.com/ugd/b8c837_2d089fc0ad8e456caa0a9e5e7193cf6c.pdf
- https://static.usrfiles.com/ugd/225520_627de97122874bd190038e6f3d08eea7.pdf
- https://static.usrfiles.com/ugd/eda9ba_05896e79fadb4fa3a8da7feb52b3dd08.pdf
- https://static.usrfiles.com/ugd/dfb5f8_d5717a09bf72452988481b63ae65ab25.pdf
- https://static.usrfiles.com/ugd/0a0016_4da3d1443b6d4807a3ff148a36d1877b.pdf
- https://static.usrfiles.com/ugd/b8c837_a21b72bb2cfa43b981a0160bcc6d9be2.pdf
- https://cdn.shopify.com/s/files/1/0437/7221/5448/files/aparato_locomotor_humano.pdf
- https://cdn.shopify.com/s/files/1/0429/9227/1519/files/tolofobed.pdf
- https://static.usrfiles.com/ugd/41f880_4d96fa699bcf459298dedac12ffd39d1.pdf
- https://static.usrfiles.com/ugd/b3bc21_5e03260e925c487db817dd2983b1e90c.pdf
- https://static.usrfiles.com/ugd/735189_8e23b6dad8a24c508d72d51b4c801a7c.pdf
- https://static.usrfiles.com/ugd/b8c837_89deb405e9c14ee8831dc4f28eac3b67.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005de4.binaead1e2172873c6b8725e75c421ddb96303fd813c327f36854239cb0a859e6bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DE4 | 4660 bytes |
font_01_sfnt_off00006d89.bin4f4c32cb6986199393c3f3f259e858071907d6b29f23721393ed0b3a534ef9b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D89 | 11764 bytes |
font_02_sfnt_off000092fb.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92FB | 4324 bytes |
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