MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which points to a known malicious redirector (ttraff.cc). The document body, though heavily obfuscated, contains text related to interview questions and the malicious URL, suggesting a lure. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves redirecting the user to malicious infrastructure via a deceptive link.
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=200+top+electrical+engineering+interview+questions+and+answers+pdf
- http://faziz.jimmyvibert.com/uploads/1/3/0/7/130775672/3782045.pdf
- http://tixujetu.rosaliadivenezia.com/uploads/1/3/1/4/131407227/dijapulo-vamenisetixigep-wupekitej-sukuziv.pdf
- http://files.startmyseo.com/uploads/1/3/1/3/131380889/5f457.pdf
- http://files.thekerikgroup.com/uploads/1/3/0/7/130776519/fexigodujigixonag.pdf
- https://cdn.shopify.com/s/files/1/0436/0847/3763/files/speak_english_like_an_american_amy_gillett.pdf
- https://cdn.shopify.com/s/files/1/0436/8865/7051/files/sizulibinobi.pdf
- https://cdn.shopify.com/s/files/1/0432/4841/8971/files/dizagukuwanapimu.pdf
- https://cdn.shopify.com/s/files/1/0432/6385/2712/files/guxakofufujefifum.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93880590480.pdf
- https://cdn.shopify.com/s/files/1/0430/4492/9690/files/kalafubinoxifupavebira.pdf
- https://cdn.shopify.com/s/files/1/0435/3985/7572/files/sedog.pdf
- https://cdn.shopify.com/s/files/1/0430/3549/2503/files/99946722331.pdf
- https://cdn.shopify.com/s/files/1/0431/8163/7794/files/vepazaduwak.pdf
- https://cdn.shopify.com/s/files/1/0431/3474/6790/files/44527327621.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_off000077c6.binf1694f884ee347158a4cb6f32f8e6e2e82176b4bdc3a54f26574a00a13e5dabf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77C6 | 5780 bytes |
font_01_sfnt_off00008b8f.bin6943a9e44b39aea16acd3ce7a2460378cdaace177705c1541b200480adf7db25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B8F | 10276 bytes |
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