MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one identified as a malicious redirector pointing to 'https://ttraff.cc/pify?keyword=frutas+antioxidantes+pdf'. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, suggesting a link farm strategy. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector and link farm attack pattern.
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=frutas+antioxidantes+pdf
- http://files.alexbuehler.com/uploads/1/3/2/6/132681910/f11987.pdf
- http://files.amyandomidphotography.com/uploads/1/3/0/8/130813757/cd788a4e.pdf
- http://files.shantivillainstitute.com/uploads/1/3/0/7/130739525/c625784399bb0.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/6906/3836/files/pusovumukewigaraxutoka.pdf
- https://cdn.shopify.com/s/files/1/0439/9228/5342/files/85242822808.pdf
- https://cdn.shopify.com/s/files/1/0433/0808/9499/files/3669407281.pdf
- https://cdn.shopify.com/s/files/1/0437/2309/6216/files/xevuwexurifewukopidebivut.pdf
- https://cdn.shopify.com/s/files/1/0435/9254/8515/files/the_rodeo_song_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0435/9749/6488/files/thyroid_nodules_ultrasound.pdf
- https://cdn.shopify.com/s/files/1/0431/5326/0706/files/gurezowofemisano.pdf
- https://cdn.shopify.com/s/files/1/0437/8394/6397/files/marazuzafudire.pdf
- https://cdn.shopify.com/s/files/1/0432/6568/7717/files/sijemu.pdf
- https://cdn.shopify.com/s/files/1/0435/8320/9631/files/zitiwofidatib.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_off000061a3.bin4cca555128396ec8be3a8ab43e94d88ca9b7e05b4e83a3ad64c0a8916ec5b608 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61A3 | 5024 bytes |
font_01_sfnt_off000072cf.bin89a57388719311af065ad7d7dae54de1189154cc2649ea53f5fa11f9b1939782 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72CF | 10992 bytes |
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