MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, including a critical redirector link to ttraff.cc, indicating a phishing or redirection attempt. The document body, though malformed, contains the text 'Advanced materials notes pdf' and the malicious URL, suggesting a lure to download potentially harmful content. The ML classifier strongly supports the malicious verdict.
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=advanced+materials+notes+pdf
- http://files.reidmachinery.co.uk/uploads/1/3/1/3/131383743/jigolim_bamolegemoz_koselita_xurexaxejuju.pdf
- http://files.mjconsultations.com/uploads/1/3/1/8/131856247/5219031.pdf
- http://files.fullyfusedcrafts.co.uk/uploads/1/3/2/6/132695596/gemezizesefos.pdf
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/bawepudobunekibemanavi.pdf
- https://cdn.shopify.com/s/files/1/0435/0682/7428/files/wivonegukat.pdf
- https://cdn.shopify.com/s/files/1/0445/3256/4132/files/types_of_consonant_sounds.pdf
- https://cdn.shopify.com/s/files/1/0429/2549/0332/files/99709697920.pdf
- https://cdn.shopify.com/s/files/1/0428/7997/5590/files/wings_of_fire.pdf
- https://cdn.shopify.com/s/files/1/0435/3346/7807/files/graph_algorithms_in_c.pdf
- https://cdn.shopify.com/s/files/1/0429/7129/9999/files/86349664203.pdf
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/rewena.pdf
- https://cdn.shopify.com/s/files/1/0436/4782/8133/files/43353358927.pdf
- https://cdn.shopify.com/s/files/1/0430/4519/1841/files/zerejigigurimezebugazow.pdf
- https://cdn.shopify.com/s/files/1/0428/6437/8022/files/dewesemesaruzexir.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_off000045c8.bin60a48c8f58bd26a5d06b69ad9f0de2defe39b9ed46d1c1cf381fa46ea47a8582 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45C8 | 5352 bytes |
font_01_sfnt_off000057e3.bin76a509249269b7950d295fa078c3f239c757df3a47510884c39358ec6a57e496 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57E3 | 9424 bytes |
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