MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that redirect to malicious infrastructure, specifically a redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'building construction book download pdf', suggesting a lure. The ML classifier strongly indicated maliciousness, and the PDF structure itself was flagged for containing a mass external link farm, further supporting the malicious intent.
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=building+construction+book+download+pdf
- http://files.petertinaglia.com/uploads/1/3/1/6/131606876/dokiz.pdf
- http://files.cozykidsembroidery.com/uploads/1/3/1/4/131409170/ninebafakafekip.pdf
- http://files.thememphisjewel.com/uploads/1/3/1/8/131857540/1167312.pdf
- http://files.lomaryard.com/uploads/1/3/1/0/131070045/1050846.pdf
- https://cdn.shopify.com/s/files/1/0439/5106/3195/files/zafawukifafifikixubel.pdf
- https://cdn.shopify.com/s/files/1/0440/1741/8405/files/how_many_hours_have_i_played_league.pdf
- https://cdn.shopify.com/s/files/1/0428/6811/3574/files/lurujagiva.pdf
- https://cdn.shopify.com/s/files/1/0439/1780/3675/files/91665505599.pdf
- https://cdn.shopify.com/s/files/1/0435/8311/1323/files/75304037093.pdf
- https://cdn.shopify.com/s/files/1/0428/5107/4214/files/wuwuto.pdf
- https://cdn.shopify.com/s/files/1/0432/5759/4011/files/surunorilokitofibemefevo.pdf
- https://cdn.shopify.com/s/files/1/0429/5265/5002/files/bulowojakipuko.pdf
- https://cdn.shopify.com/s/files/1/0431/1826/4469/files/xowiru.pdf
- https://cdn.shopify.com/s/files/1/0433/6330/3575/files/40246016273.pdf
- https://cdn.shopify.com/s/files/1/0437/3220/5722/files/17824893944.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58585016777.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/
- https://cdn.shopify.com/s/fil
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066f4.bin70862933b862e348014909b399ea63ae2f94b599e9fd10743371c1df397af409 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66F4 | 5668 bytes |
font_01_sfnt_off00007a66.bina59a95d7075ee4b028c4a4489c71a4dd3c16678fdff02ef3e51f18f8df355811 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A66 | 14176 bytes |
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