MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and being part of a link farm. The document body, though heavily obfuscated, contains a URL that points to a known malicious redirector. This suggests the PDF is designed to redirect users to potentially harmful content, likely for phishing or malware distribution.
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=factores+bioticos+y+abioticos+de+un+ecosistema+acuatico+pdf
- http://wabufos.emshannonart.com/uploads/1/3/0/7/130775195/3287407.pdf
- http://files.joyfulljoyfull.net/uploads/1/3/1/8/131871424/lamadege-namutin-sezudunapomuxe-nudanuvodebu.pdf
- http://files.shaftesburyyoungpeople.org/uploads/1/3/1/4/131452988/8587589.pdf
- http://files.homesteadfamilygrain.org/uploads/1/3/0/8/130873718/nekipajekokureg-dijudisevane-letenevotado.pdf
- https://cdn.shopify.com/s/files/1/0433/8640/5022/files/luxonupito.pdf
- https://cdn.shopify.com/s/files/1/0431/4464/2715/files/94136131139.pdf
- https://cdn.shopify.com/s/files/1/0430/1848/5923/files/ranoxasudikekizipexaza.pdf
- https://cdn.shopify.com/s/files/1/0429/2821/0073/files/2102472718.pdf
- https://cdn.shopify.com/s/files/1/0433/7162/6659/files/70694954919.pdf
- https://cdn.shopify.com/s/files/1/0434/0839/2353/files/ropasizanuxovorazubifu.pdf
- https://cdn.shopify.com/s/files/1/0433/2371/9845/files/lepalexitekufuw.pdf
- https://cdn.shopify.com/s/files/1/0434/3175/5932/files/puzasimi.pdf
- https://cdn.shopify.com/s/files/1/0431/9356/5342/files/lomufepizegugoxirepawajor.pdf
- https://cdn.shopify.com/s/files/1/0437/4292/0869/files/93070142740.pdf
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/garalufijem.pdf
- https://cdn.shopify.com/s/files/1/0431/3186/3202/files/kuruniwa.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000078fe.bin2b5b5ab71e34b9f9ff24d02202809bccdd0a41309ac45f839d4558a28f1992b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78FE | 5468 bytes |
font_01_sfnt_off00008b83.binea31bb4e4caec57f6cd7d539afd835f5776d8bdcfc0bda9fb67c0c3fc94a04f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B83 | 11004 bytes |
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