MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to what appears to be a link farm designed to host SEO-optimized PDFs. One critical heuristic identified a link to a known malicious redirector at ttraff.com, which is likely the primary malicious payload delivery mechanism. The ML classifier also strongly indicated maliciousness. 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/pify?keyword=java+authentication+and+authorization+service+pdf
- http://files.southwickrangers.org/uploads/1/3/0/7/130740175/vemubawixoz_rukifawadona.pdf
- http://files.scorecustom.com/uploads/1/3/1/3/131379639/pafuzogexixake.pdf
- http://files.mjmonty.us/uploads/1/3/2/6/132683267/jesepumuxigosem.pdf
- http://files.mrsbscusd.com/uploads/1/3/1/4/131407155/zonutidigobi.pdf
- https://cdn.shopify.com/s/files/1/0432/7217/5781/files/karojefumetakakosop.pdf
- https://cdn.shopify.com/s/files/1/0428/7853/3788/files/76371254896.pdf
- https://cdn.shopify.com/s/files/1/0429/6966/1589/files/zodesepe.pdf
- https://cdn.shopify.com/s/files/1/0429/3387/8940/files/nigagujoga.pdf
- https://cdn.shopify.com/s/files/1/0429/4764/1510/files/27347874725.pdf
- https://cdn.shopify.com/s/files/1/0434/8300/5093/files/54969973824.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27347714529.pdf
- https://cdn.shopify.com/s/files/1/0435/5132/6371/files/71251238764.pdf
- https://cdn.shopify.com/s/files/1/0437/9554/6273/files/lumamuwebekuwatizete.pdf
- https://cdn.shopify.com/s/files/1/0432/1771/5361/files/58833825540.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nakoximowukod.pdf
- https://cdn.shopify.com/s/files/1/0429/6281/3084/files/robukipapodudav.pdf
- https://cdn.shopify.com/s/files/1/0436/2970/7422/files/34137851956.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_off00006705.bina99004805e83582b00a7ee0ae76a2f9f234d2b58dbfd3d2c9f7440de0425f2ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6705 | 5312 bytes |
font_01_sfnt_off00007921.binae324dc7772e20d909a8a95b08466a75b172dc6f17eff88c291c1f67f69bc56b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7921 | 9944 bytes |
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