MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a malicious redirector link pointing to 'ttraff.cc', which is likely used to obscure the final destination or distribute malware. Another critical heuristic indicates this is part of a link farm, with many external PDF links, suggesting an SEO poisoning or traffic redirection scheme. The document body, though heavily obfuscated, contains the same malicious URL and several benign-looking URLs, reinforcing the redirection attack pattern.
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.cc/wix?keyword=antiques+collectibles+price+guide
- https://static.usrfiles.com/ugd/7603ae_430b59719d934e3c8b4c267877b5c37b.pdf
- https://static.usrfiles.com/ugd/2f8cea_a857f172095842abb0c5a5993e3d5902.pdf
- https://static.usrfiles.com/ugd/5e8de6_0fbac7135ebf44adb5d63f6800e9707a.pdf
- https://cdn.shopify.com/s/files/1/0429/7749/3146/files/practice_worksheet_graphing_cubic_functions_using_transformations.pdf
- https://cdn.shopify.com/s/files/1/0432/6536/0027/files/18813662297.pdf
- https://static.usrfiles.com/ugd/b8c837_9bec7f00dfa645c18488ffa75b96729d.pdf
- https://static.usrfiles.com/ugd/6116da_eee443aa47c2444fab3479c965683dcf.pdf
- https://static.usrfiles.com/ugd/73c254_d83097b17d1e4e4e87e4d511a98f5deb.pdf
- https://static.usrfiles.com/ugd/b8c837_0e26aba2fe3248e48108a57d43fa3a8c.pdf
- https://cdn.shopify.com/s/files/1/0433/8617/5651/files/65858251300.pdf
- https://cdn.shopify.com/s/files/1/0433/5517/7109/files/boy_scout_logo.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_off0000469e.bin1b9c1a6f490aeb1988b0098076371a83c0d1874f5bbe79fc7eea38ae37460afc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x469E | 5284 bytes |
font_01_sfnt_off00005897.bin72578f6a3c33cb854b8234298cb36a03a57de9492d39ff9cba155ca7a1af6e0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5897 | 10092 bytes |
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