MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by an ML classifier and contains a high number of embedded links, many pointing to external PDF files. One of the primary links, 'https://ttraff.com/wix?keyword=beinecke+library+architecture', is associated with known malicious redirector infrastructure. The document body is heavily obfuscated but contains this URL and other PDF links, suggesting a link farm or redirection attack.
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.com/wix?keyword=beinecke+library+architecture
- https://static.usrfiles.com/ugd/b8c837_a38d6fa4cb47484080ed3b800154c22e.pdf
- https://static.usrfiles.com/ugd/f523c3_39b809c3635941d8b1141c425b8f74f7.pdf
- https://static.usrfiles.com/ugd/8c0e65_47730ee828df457da408035259f6287c.pdf
- https://static.usrfiles.com/ugd/e3c460_2f330a59ad3e4cf29bb0f677bcda0222.pdf
- https://static.usrfiles.com/ugd/b6edda_b633e93685f4447fb826bcf0e6eec309.pdf
- https://static.usrfiles.com/ugd/b8c837_b7ab7b7970844811aeeabe7b5dd323dc.pdf
- https://static.usrfiles.com/ugd/98e298_84ac739e03db45ecaab326f696639012.pdf
- https://static.usrfiles.com/ugd/a1fb72_cbccd0bedca542fb816805dfbb0d93d8.pdf
- https://static.usrfiles.com/ugd/b8c837_b6ade1eebc8242aba3474f90d177a413.pdf
- https://cdn.shopify.com/s/files/1/0434/0744/2072/files/41483000117.pdf
- https://cdn.shopify.com/s/files/1/0433/3666/3208/files/wekot.pdf
- https://static.usrfiles.com/ugd/defcb2_4cff7d0a299f43de9befa15767f5f2e5.pdf
- https://static.usrfiles.com/ugd/b8c837_f0a1acd69a744bdc87d22a4cbe0bff06.pdf
- https://static.usrfiles.com/ugd/f967ac_55314e49ce4346fdac405205a108a68b.pdf
- https://static.usrfiles.com/ugd/7f46b5_299194b527034aae8750bd0471df92f2.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_off00007470.binc5bba861ed1b5d4bd70bcde278719ffe682c2556d831b3a1e5a3dd9ee05912b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7470 | 4836 bytes |
font_01_sfnt_off000084d4.bin48235935518d80aa584c9bc1ef541c17a442cbf0fc99ca6e4ba1348ed5d7ffce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84D4 | 10160 bytes |
font_02_sfnt_off0000a79c.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA79C | 4324 bytes |
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