MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links to other PDF files, characteristic of a link farm. One of these links, https://ttraff.link/wix?keyword=lexile+and+guided+reading+level+chart, is identified as a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The presence of a link farm and a malicious redirector suggests an attempt to lure users to malicious content, likely for phishing or malware distribution.
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.link/wix?keyword=lexile+and+guided+reading+level+chart
- https://static.usrfiles.com/ugd/451a43_2e4419422716457cad5ba732735c0fa4.pdf
- https://static.usrfiles.com/ugd/e98895_6c941c91f0694e33a2e7e725f833de0e.pdf
- https://static.usrfiles.com/ugd/52b593_40e9fe16601d4393b1604c91fee0e4ea.pdf
- https://static.usrfiles.com/ugd/29c71c_f4bb9e023bff4e51a2e3ac631f2144de.pdf
- https://static.usrfiles.com/ugd/417718_08570f519e964b2b959422c5a435bd2c.pdf
- https://static.usrfiles.com/ugd/debbe1_831d818ef1f8411f821c0504ecfc2e83.pdf
- https://static.usrfiles.com/ugd/6f7357_347b0bbb1d7749d2973525f4c6c592a4.pdf
- https://static.usrfiles.com/ugd/8b97dd_95749051d5d64507b220980a4f7827a9.pdf
- https://static.usrfiles.com/ugd/d43733_e5a56264a247420a97f2d88c845da2b1.pdf
- https://static.usrfiles.com/ugd/696b8a_e054fdf7bd9b4c318d074ffcf521632d.pdf
- https://static.usrfiles.com/ugd/113e89_878a4e18bce640ccb019dfcf7b84d7c4.pdf
- https://static.usrfiles.com/ugd/e8e253_761b1ccfbb854404a2b399221ba926f5.pdf
- https://static.usrfiles.com/ugd/bdeb4c_0be4c319b26a4ee8ac98bbbb71e43e01.pdf
- https://static.usrfiles.com/ugd/a421e3_8e1e6846852a4ceea642e09d72ec72b9.pdf
- https://static.usrfiles.com/ugd/b1b3ad_4d0e9b6adae0411094118b7b723f0064.pdf
- https://static.usrfiles.com/ugd/3cb6cb_52e2d707183c4b45b2cc8dcd15500e9c.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_off00004cb3.bin52c9320f7d9b5bbc06a10be8a49643ed235a7d6963ef28250c7ad4310c2a3cb3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4CB3 | 5092 bytes |
font_01_sfnt_off00005e0d.bin0b001451867a493a4b45e956aa740247722ca2bd2ebe96d4a94b5f8dae33d7c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E0D | 9692 bytes |
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