MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.ru, disguised with a search query for 'cutnell physics 10e solutions'. The document also functions as a link farm, pointing to numerous other PDFs hosted on static.usrfiles.com and cdn.shopify.com. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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.ru/wix?keyword=cutnell+physics+10e+solutions
- https://static.usrfiles.com/ugd/b8c837_f8031d42ae524fa693961c2293c7a5be.pdf
- https://static.usrfiles.com/ugd/4c1554_a15b6c81d3394e98ae92263767789a63.pdf
- https://static.usrfiles.com/ugd/f84671_7701fa225fd447eeb9c412ba110dab51.pdf
- https://static.usrfiles.com/ugd/eed56f_fcf818aeac7341c5afb50c3230f8d551.pdf
- https://static.usrfiles.com/ugd/1813b3_162053a5eee947d8b7a5b4264535a45e.pdf
- https://static.usrfiles.com/ugd/6f58fb_8d2c81edfaa34eeea3e4597a06f6c497.pdf
- https://cdn.shopify.com/s/files/1/0433/1044/8798/files/budgeting_system_in_nigeria.pdf
- https://cdn.shopify.com/s/files/1/0429/3669/6995/files/synclastic_and_anticlastic_surface.pdf
- https://cdn.shopify.com/s/files/1/0438/2497/1936/files/1706022331.pdf
- https://cdn.shopify.com/s/files/1/0437/0061/7381/files/bimanual_palpation_of_bladder.pdf
- https://cdn.shopify.com/s/files/1/0432/3724/5086/files/agle_pagla_deewana_2_full_movie.pdf
- https://cdn.shopify.com/s/files/1/0438/6432/6299/files/calculator_android_app.pdf
- https://cdn.shopify.com/s/files/1/0437/5393/0901/files/47279303174.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_off00005301.bin86c3e65a097f81bbf995e2ad71736f599f3aea644531ccd1f0331915c753a50a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5301 | 4916 bytes |
font_01_sfnt_off000063c7.bin5de6ffc42412688f4d0e6b44f129ddd3b21ebf6539447bd712fd52357865c740 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63C7 | 10444 bytes |
font_02_sfnt_off00008769.bin7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8769 | 4324 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.