MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many pointing to external resources, which is indicative of a link farm. One of these links, 'https://ttraff.me/wix?keyword=teaching+vocabulary+8th+grade', is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'teaching vocabulary 8th grade', likely a lure to disguise the malicious intent. The ML classifier also strongly flagged this PDF as malicious.
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=teaching+vocabulary+8th+grade
- https://static.usrfiles.com/ugd/b8c837_c23f1188a5154b8980cb8176da2cb52b.pdf
- https://static.usrfiles.com/ugd/b8c837_29c6e5411e934a018cb052603a8311d5.pdf
- https://static.usrfiles.com/ugd/934fc3_2e87f0d1643e4cfcbce28ddbe2849540.pdf
- https://static.usrfiles.com/ugd/5d2cf3_ea06f914531e48209ee3bb4631b63265.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jikoleluvotejagumali.pdf
- https://static.usrfiles.com/ugd/510a18_1d5d35b1a8ac4c268f9dec38ee209507.pdf
- https://static.usrfiles.com/ugd/10b11f_d01ea955a75a4de48a1baca89790376d.pdf
- https://static.usrfiles.com/ugd/374ce0_d06f250f844e4b4cb21ec9f395de9a2d.pdf
- https://static.usrfiles.com/ugd/87a178_9279059bc1004b5faa4dbbcf0b2f34b5.pdf
- https://static.usrfiles.com/ugd/b8c837_6089b2989afa43249875c1a84d36af5a.pdf
- https://cdn.shopify.com/s/files/1/0428/7476/5475/files/madotozuli.pdf
- https://cdn.shopify.com/s/files/1/0431/9232/0161/files/administrao_estratgica_fernandes_e_berton.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_off00005ba6.bina5106c473a7b4bd71c11d057a81062119f0f69ea2a5b0fd4d8890eee1e502301 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BA6 | 5468 bytes |
font_01_sfnt_off00006e36.bin07ab2cd544e4fdc0e7e809e7d4dcd25bd1e329693502a9c4aa971a5f770514c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E36 | 10152 bytes |
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