MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which, https://ttraff.me/wix?keyword=caged+chords+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of a large number of external PDF links, many pointing to static.usrfiles.com, indicates a link farm strategy, likely to improve search engine ranking or distribute malicious content. No scripts were extracted, limiting the analysis of direct execution capabilities.
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.me/wix?keyword=caged+chords+pdf
- https://static.usrfiles.com/ugd/b8c837_a2298079133140999817f0eb7840f75a.pdf
- https://static.usrfiles.com/ugd/c2007e_30ac26114c33419389648d0037e659a8.pdf
- https://static.usrfiles.com/ugd/b8c837_3872781a27ec40df8fe96473d4beda52.pdf
- https://static.usrfiles.com/ugd/8c0e65_b3022e99260b4c8baa43cd7158bab6ec.pdf
- https://cdn.shopify.com/s/files/1/0430/5354/7677/files/topotobujulimexum.pdf
- https://static.usrfiles.com/ugd/c83fdb_eb23b17d5e864ac3b62443f3a7bcf842.pdf
- https://static.usrfiles.com/ugd/0511f5_7da76cfeedec4eb6ac3318cc0bc6aaf6.pdf
- https://static.usrfiles.com/ugd/b88e3d_3fd8ced6d10c4010b5aa2fd11b021743.pdf
- https://static.usrfiles.com/ugd/7a13df_22439aba1d734694b858efedd9858603.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_off00005c3b.binc2c32f7e9072bf1c5bc8d5527347a539224c63d50de7927dc8b0bf526368436f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C3B | 5292 bytes |
font_01_sfnt_off00006e35.binccc28b57f7d7b9d3aac745b7a51bb95aa351c7e286ee3aaf35fdddc0cb886655 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E35 | 10072 bytes |
font_02_sfnt_off000090eb.bin15a68420f1c377824b8c1fd571ac7c30556db1b4bc05006bf44ec3f6c6c83208 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90EB | 16120 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.