MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious File: Malicious Link
The PDF document contains a large number of embedded URLs, indicating a link farm or SEO manipulation tactic. One of these URLs, 'https://ttraff.cc/pify?keyword=abstract+reasoning+questions+with+answers+pdf', is known to redirect to malicious infrastructure. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated and contains no clear user-facing text, suggesting its primary purpose is to host these links.
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=abstract+reasoning+questions+with+answers+pdf
- http://files.leehanson.net/uploads/1/3/1/4/131483138/326f6162a2875c.pdf
- http://files.daimonproject.com/uploads/1/3/0/8/130814475/7883973.pdf
- http://files.barredwoodsmaple.com/uploads/1/3/1/8/131872238/guberolu-bamokugurij.pdf
- https://cdn.shopify.com/s/files/1/0433/9823/4270/files/92879678205.pdf
- https://cdn.shopify.com/s/files/1/0435/1872/2216/files/77424910764.pdf
- https://cdn.shopify.com/s/files/1/0428/6355/8815/files/6819262106.pdf
- https://cdn.shopify.com/s/files/1/0434/4525/6352/files/34232313680.pdf
- https://cdn.shopify.com/s/files/1/0439/4103/6200/files/sentry_safe_manual.pdf
- https://cdn.shopify.com/s/files/1/0440/6296/5912/files/fekovazo.pdf
- https://cdn.shopify.com/s/files/1/0432/4796/0232/files/irc_cheat_sheet.pdf
- https://cdn.shopify.com/s/files/1/0428/6621/3031/files/75285527109.pdf
- https://cdn.shopify.com/s/files/1/0427/8370/3206/files/xamujabupijup.pdf
- https://cdn.shopify.com/s/files/1/0435/8324/2401/files/koxubexivetijuwis.pdf
- https://cdn.shopify.com/s/files/1/0430/6301/7629/files/skyrim_risk_rules.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_off00006eb9.binc73d99e58603ef468cabfc2b3bb82f27252de5682928fd9619fd9d39c6a0391e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EB9 | 5732 bytes |
font_01_sfnt_off00008237.bin5042845e274066d6aff7c987f8c0347c20c0534db39ef577682ca2401147c3df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8237 | 10204 bytes |
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