MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a "black roots science pdf download". The document body also contains this link, reinforcing the lure. The presence of numerous external PDF links suggests a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier strongly flagged this PDF as malicious.
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=black+roots+science+pdf+download
- http://files.obakosobotanica.org/uploads/1/3/1/8/131871994/fc4e88a2a.pdf
- http://files.ssgabrielandraphael.com/uploads/1/3/0/7/130739120/d4f98cde0f.pdf
- http://files.gh-ed.com/uploads/1/3/2/3/132303012/277c2880a2.pdf
- http://files.northernidahorentals.com/uploads/1/3/1/8/131857540/budogubusijora.pdf
- https://cdn.shopify.com/s/files/1/0444/4828/4839/files/aluminium_curtain_wall_details.pdf
- https://cdn.shopify.com/s/files/1/0433/8450/4474/files/82968275358.pdf
- https://cdn.shopify.com/s/files/1/0433/4387/2150/files/simujerarevufolo.pdf
- https://cdn.shopify.com/s/files/1/0430/9562/1796/files/xamaxegapijes.pdf
- https://cdn.shopify.com/s/files/1/0440/9376/7832/files/ibps_clerk_notification_2020_free_download.pdf
- https://cdn.shopify.com/s/files/1/0434/1386/4602/files/pa_driver_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/78547652605.pdf
- https://cdn.shopify.com/s/files/1/0429/0835/2679/files/kudoluvalakidido.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41326774972.pdf
- https://cdn.shopify.com/s/files/1/0437/1228/2789/files/pakagepu.pdf
- https://cdn.shopify.com/s/files/1/0430/8949/4177/files/19100165388.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_off0001a68d.binf4aa6794c5610aa32c86d9e2fff6c88d299a8942a29ea29cc246ffc67b15a5e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A68D | 5356 bytes |
font_01_sfnt_off0001b8e8.bin3145c5b2722115206e713b9274b94e635bc64d457e38e5698d672289a89d426f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B8E8 | 11764 bytes |
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