MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on 'static.usrfiles.com'. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL and other benign-looking PDF links, suggesting a lure to a malicious site.
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=contrapositive+statement+example
- https://static.usrfiles.com/ugd/c0b427_7fdd573eb2b141bb9a5108b0e05b25a9.pdf
- https://static.usrfiles.com/ugd/5de1df_5b892037a6fc4043b160a94ff9869568.pdf
- https://static.usrfiles.com/ugd/158fb9_15a6479630844147a176701f7894c1c0.pdf
- https://cdn.shopify.com/s/files/1/0458/0048/9126/files/logo_shelo_nabel.pdf
- https://static.usrfiles.com/ugd/197ed4_4824b7a19b424300bd1ed829a99b8f8c.pdf
- https://static.usrfiles.com/ugd/a58b01_baba6b0b969a4e5c8e73d89fc7648763.pdf
- https://static.usrfiles.com/ugd/ee9d3f_0810def100f441a18b2a31f8f59c91c3.pdf
- https://static.usrfiles.com/ugd/4d935e_eabe8c40ca7f4715b5ac9e5e85cba72e.pdf
- https://static.usrfiles.com/ugd/defdb4_943e9785809045b1a9671e1ca2079ac3.pdf
- https://cdn.shopify.com/s/files/1/0432/1778/0896/files/41699078267.pdf
- https://cdn.shopify.com/s/files/1/0437/3918/5303/files/23558110716.pdf
- https://cdn.shopify.com/s/files/1/0431/5519/4011/files/20315424015.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_off00005fef.binc1002083d9a13fa314cde8e6b5cae75643771c6891cee589e1c5d27e1c9d91f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FEF | 4904 bytes |
font_01_sfnt_off00007080.binda30f11062b9f704847f5f950348f2b5630fb5a749c9abe6bf8c2276ef199c57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7080 | 14736 bytes |
font_02_sfnt_off00009e07.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E07 | 4324 bytes |
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