MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, many of which point to a redirector service. The primary malicious link identified is 'https://ttraff.cc/pify?keyword=tesis+sobre+aprendizaje+significativo+pdf', which is likely used to direct users to a malicious site. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but includes the malicious URL, suggesting a lure to download a malicious PDF.
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=tesis+sobre+aprendizaje+significativo+pdf
- http://files.mokanjaxwax.com/uploads/1/3/0/7/130776263/5731854.pdf
- http://files.allysanimalproject.org/uploads/1/3/0/9/130969551/wixiba-vugepilisug.pdf
- http://files.astrojournals.com/uploads/1/3/1/3/131383764/dowigulezupupatuxexo.pdf
- https://cdn.shopify.com/s/files/1/0433/2693/1099/files/emt_pipe_panasonic_catalogue.pdf
- https://cdn.shopify.com/s/files/1/0429/4764/1511/files/kewizaxeda.pdf
- https://cdn.shopify.com/s/files/1/0438/5135/0166/files/3252974554.pdf
- https://cdn.shopify.com/s/files/1/0439/6879/0686/files/virulelukewisefi.pdf
- https://cdn.shopify.com/s/files/1/0437/8984/4641/files/satufokamonig.pdf
- https://cdn.shopify.com/s/files/1/0433/0654/9406/files/34204147946.pdf
- https://cdn.shopify.com/s/files/1/0432/6857/1298/files/essential_english_vocabulary.pdf
- https://cdn.shopify.com/s/files/1/0431/2036/1629/files/6145054428.pdf
- https://cdn.shopify.com/s/files/1/0431/3684/3933/files/kubanope.pdf
- https://cdn.shopify.com/s/files/1/0431/7331/4715/files/rapejapul.pdf
- https://cdn.shopify.com/s/files/1/0428/8249/8716/files/ropevepisovaguxadafosefu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://hdl.handle.net/10644/3786
- 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_off00005281.bine6ed0a908427bbc53e340dcecf7fdec748d660248959d230c10ec8bb8ccc8d1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5281 | 5568 bytes |
font_01_sfnt_off00006592.bin9d6b830352eeeb1685f57a4dd711941885a7b663b41abc3a35f62993cb9b3d69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6592 | 10644 bytes |
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