MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a link to a known malicious redirector, ttraff.me, disguised as nutritional information. This heuristic, combined with the ML classifier's high confidence, indicates a phishing or redirection attempt. The document body, though heavily obfuscated, contains the target URL and references to nutritional information, reinforcing the lure. The presence of numerous links to static.usrfiles.com suggests a link farm used for SEO poisoning or distributing malicious content.
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=sapporo+beer+nutritional+information
- https://static.usrfiles.com/ugd/158fb9_acdc851d7703403896a1a71e394e6e1b.pdf
- https://static.usrfiles.com/ugd/89c6ad_1bc9fdabd9e84c21a672565adeed61ec.pdf
- https://static.usrfiles.com/ugd/fa6f14_7b28581c1fb5459ba402ed61ead9ce00.pdf
- https://static.usrfiles.com/ugd/4b68be_bd7b5958909347d4bd84d14186fdf67a.pdf
- https://static.usrfiles.com/ugd/09273f_2e3b42eda73544899e9157a8e9db4d09.pdf
- https://static.usrfiles.com/ugd/9f6a24_12910653756a45478d24b47f2f571a7b.pdf
- https://static.usrfiles.com/ugd/2f8cea_d35ba0d2e7ff425e865da510fac3aada.pdf
- https://static.usrfiles.com/ugd/b65acf_5332874114d74f2580f1b350ed0ca235.pdf
- https://cdn.shopify.com/s/files/1/0432/0909/7376/files/35343996520.pdf
- https://cdn.shopify.com/s/files/1/0435/9097/5647/files/xesezagiwuvipazo.pdf
- https://cdn.shopify.com/s/files/1/0430/1357/0709/files/cuando_la_tarde_languidece.pdf
- https://cdn.shopify.com/s/files/1/0430/5331/8306/files/tukevumirip.pdf
- https://cdn.shopify.com/s/files/1/0440/3573/5717/files/fukomol.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_off00004881.bin3e785869f7363305d2e372b33680c47178624da9d971bfef1ef4fee98c758865 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4881 | 5112 bytes |
font_01_sfnt_off000059cf.bin6bcd9842118689d63f1ffff2c295b49daba79dba6f9336da721394801cf16380 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59CF | 10116 bytes |
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