MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.me/wix?keyword=bugle+call+ringtone++free as malicious. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to external malicious content. The ML classifier also strongly indicated maliciousness.
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.me/wix?keyword=bugle+call+ringtone++free
- https://static.usrfiles.com/ugd/5c9621_b8ea31f8bc714ddaa7397562dbcc9028.pdf
- https://static.usrfiles.com/ugd/b8c837_dc0290c9949c423c865e12435864e4ad.pdf
- https://static.usrfiles.com/ugd/d4579c_5e4cb8731a1e46bb81bc8235ec6957ab.pdf
- https://static.usrfiles.com/ugd/de02f3_e0b10f3cab394a75a41a363738c9b267.pdf
- https://static.usrfiles.com/ugd/db1da1_33cbaf18deaa44729b1f4bbdc59b348b.pdf
- https://cdn.shopify.com/s/files/1/0448/2242/9858/files/civ_vi_steam_guides.pdf
- https://cdn.shopify.com/s/files/1/0436/2724/9826/files/acland_anatomy_free.pdf
- https://cdn.shopify.com/s/files/1/0430/5800/4117/files/bajaw_kamare_video_song.pdf
- https://static.usrfiles.com/ugd/73c254_3a7a16e649e9470fb0055292782f1b19.pdf
- https://static.usrfiles.com/ugd/bc79a4_2871525037a641e4b3076115007f9877.pdf
- https://static.usrfiles.com/ugd/b8c837_130435c65c994bbf816c4a5175fcb2f2.pdf
- https://cdn.shopify.com/s/files/1/0432/9301/6222/files/84125315686.pdf
- https://cdn.shopify.com/s/files/1/0439/1282/2939/files/illegal_characters_in_filenames.pdf
- https://cdn.shopify.com/s/files/1/0437/8047/2984/files/rulububamewuzilibamod.pdf
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/37303366828.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_off000043db.bin3bbf7bb62f18780549d94b31567a6b012f51cb3e1e0fe4b57376eee3d73800b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x43DB | 4920 bytes |
font_01_sfnt_off000054b3.bin4f47f367311954385bc899ef3adab9f84312ee00c986e42422ec6fdfd004429a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54B3 | 9940 bytes |
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