MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing a large number of external links, including a link to a known malicious redirector at 'https://ttraff.cc/wix?keyword=english+9+task+10+delving+deeper+answer'. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the same URL, suggesting it is the primary mechanism for luring the user to a potentially harmful destination.
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/wix?keyword=english+9+task+10+delving+deeper+answer
- https://static.usrfiles.com/ugd/b8c837_9ef5f099d7c24892b17015a034fc3c0e.pdf
- https://static.usrfiles.com/ugd/b8c837_00d44119059045af8d821055747431c7.pdf
- https://static.usrfiles.com/ugd/b8c837_2de0a9dc2c264526926d7851542ac9a4.pdf
- https://static.usrfiles.com/ugd/b8c837_b0869b92a508407a95528e431fe236b3.pdf
- https://cdn.shopify.com/s/files/1/0431/3926/8765/files/fagawuxa.pdf
- https://cdn.shopify.com/s/files/1/0429/6104/3605/files/pizuridedilamopum.pdf
- https://cdn.shopify.com/s/files/1/0463/2238/5056/files/spotify_web_player_android_chrome.pdf
- https://static.usrfiles.com/ugd/b8c837_60f6ca8c0a3c476386ae334300d93b9f.pdf
- https://static.usrfiles.com/ugd/b8c837_5182941cd8684036b6e0e4b4ad047ed1.pdf
- https://static.usrfiles.com/ugd/b8c837_b773e220c0374784937e1a949d98038a.pdf
- https://static.usrfiles.com/ugd/b8c837_6065188ab8e34fb9ba84f9bcf177a299.pdf
- https://static.usrfiles.com/ugd/b8c837_a0412d6663414fa8aff2bbdb051e9225.pdf
- https://static.usrfiles.com/ugd/b8c837_d1945de8c2834e48916708e4aeb9e4e6.pdf
- https://static.usrfiles.com/ugd/b8c837_244c20871d254709ae39f38d64059956.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001931a.bin35e0dd03169b256c8a8c2760270ad5d9f5cc968bd50c2f923769db1d0a0d1ac4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1931A | 1696 bytes |
font_01_sfnt_off00019b44.bin081cb59efc7a89c584e68fe4e551ee524ca5ab935cf8604e77062eaeead13da6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19B44 | 5744 bytes |
font_02_sfnt_off0001aee2.binbab396745e6d58c9db503a70401603be31a71559c746b16b4cb7b98983511261 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AEE2 | 13900 bytes |
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