MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'https://ttraff.me/wix?keyword=is+this+what+you+wanted+lyrics'. Additionally, it exhibits characteristics of a PDF SEO link farm, containing numerous external PDF links, with the primary one being 'https://static.usrfiles.com/ugd/b8c837_6e6942efa0884b5bb4b7dec8ebb0f027.pdf'. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the lure. The ML classifier also strongly flagged this PDF as malicious.
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=is+this+what+you+wanted+lyrics
- https://static.usrfiles.com/ugd/b8c837_6e6942efa0884b5bb4b7dec8ebb0f027.pdf
- https://static.usrfiles.com/ugd/b8c837_345a2890becb4ebc98417d0748cca333.pdf
- https://static.usrfiles.com/ugd/26938b_051e178620384fd28a3623f75c8dd84d.pdf
- https://static.usrfiles.com/ugd/b8c837_cfc2266b12354d6bb593e96dbaea740c.pdf
- https://static.usrfiles.com/ugd/b8c837_283fb3897a294bedabd8e8dd2706be84.pdf
- https://static.usrfiles.com/ugd/b8c837_9aa06bbc0fc2415db93f5d392d6eafc3.pdf
- https://static.usrfiles.com/ugd/9cc572_eb09104cfe1f4776bf9a397a585f40fc.pdf
- https://static.usrfiles.com/ugd/b8c837_e303e836fcfc4286a25534a1be6a9e77.pdf
- https://static.usrfiles.com/ugd/1f2646_110956fd76ad4194ad96ea60471c0d21.pdf
- https://static.usrfiles.com/ugd/b8c837_ad74b0de7d444d92bd1906a93270d4a2.pdf
- https://cdn.shopify.com/s/files/1/0433/1995/1513/files/sap_fixed_asset_depreciation_report.pdf
- https://cdn.shopify.com/s/files/1/0430/3847/4397/files/environment_and_ecology_ncert.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_off0000649d.bin5aadf438abfbef94634a101386a13ebf88590827521ae09321284036b2fcb1f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x649D | 5156 bytes |
font_01_sfnt_off00007626.bin2b176965477f2bc641b5ff6c50d569470aa148e52476272fd435f99d17882f53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7626 | 10296 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.