MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as an educational resource. This indicates a likely attempt to lure users to malicious infrastructure. The PDF also exhibits characteristics of a link farm, with numerous embedded links to other PDFs, suggesting a broad distribution or SEO poisoning tactic. No scripts were extracted, but the presence of malicious links and the ML classifier's high confidence score strongly suggest a 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=evaluating+algebraic+expressions+worksheets+with+answers+pdf
- http://files.estatenest.ca/uploads/1/3/2/6/132696351/vinolidulaferikawa.pdf
- http://files.mshoeferstotallyawesomewebsite.com/uploads/1/3/1/4/131437924/b6e58c4d915.pdf
- http://files.emilysullivansmith.com/uploads/1/3/1/3/131380688/3212d.pdf
- https://cdn.shopify.com/s/files/1/0437/9541/5189/files/jifudiku.pdf
- https://cdn.shopify.com/s/files/1/0446/6999/3123/files/pegipajakaxuneva.pdf
- https://cdn.shopify.com/s/files/1/0433/4305/2953/files/8583972.pdf
- https://cdn.shopify.com/s/files/1/0430/2041/9226/files/spatial_data_modelling_for_3d_gis.pdf
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/kuxemolunagun.pdf
- https://cdn.shopify.com/s/files/1/0435/3936/6047/files/smd_capacitor_code_chart.pdf
- https://cdn.shopify.com/s/files/1/0434/0505/0021/files/manoforigolosomozazeb.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vofekofunore.pdf
- https://cdn.shopify.com/s/files/1/0427/8288/4006/files/jovupopofafekazimogi.pdf
- https://cdn.shopify.com/s/files/1/0430/6753/9623/files/lirituzamuzax.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_off000072d2.bin595197481f149480ddf423eca7af61adbff5a21094ece0ffdb68dd8cefde8614 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72D2 | 5796 bytes |
font_01_sfnt_off0000869f.bin2c833e70e021538d52f965b14b8fbd1d05b72f19e21345eb18c8f0d8c8165f72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x869F | 10264 bytes |
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