MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
The PDF document contains numerous embedded links, with a critical heuristic firing indicating it's a malicious redirector. The primary malicious URL identified is 'https://ttraff.com/wix?keyword=assassin%2527s+creed+unity+a+guide+for+bringing+forth+justice'. The document body, though heavily obfuscated, also contains this URL and other links to PDF files hosted on static.usrfiles.com, suggesting a link farm designed to distribute malicious content or lead users to phishing sites. The ML classifier also strongly indicated maliciousness.
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=assassin%2527s+creed+unity+a+guide+for+bringing+forth+justice
- https://static.usrfiles.com/ugd/5fd5c1_c1b3f496740c478cbbf807fe0f584767.pdf
- https://static.usrfiles.com/ugd/ea5d7b_1b8c007d857d460a8af07eefd21eb3c0.pdf
- https://static.usrfiles.com/ugd/b98abb_3f450a421f904c728d97f5d6dc67675c.pdf
- https://static.usrfiles.com/ugd/7c30af_a4e44c356cc146ea9cea1010e96c55b0.pdf
- https://static.usrfiles.com/ugd/45fd81_7ce3107d17b64eeda58782c09e4ac589.pdf
- https://cdn.shopify.com/s/files/1/0462/6717/0970/files/android_tv_app_development_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0437/6929/9098/files/83387976923.pdf
- https://cdn.shopify.com/s/files/1/0432/6768/6558/files/temigoxugodotumixogofiva.pdf
- https://cdn.shopify.com/s/files/1/0440/7502/4549/files/50894052946.pdf
- https://cdn.shopify.com/s/files/1/0435/2288/3735/files/by_the_way_tab.pdf
- https://static.usrfiles.com/ugd/87b9a8_b7d8bd4c6e4a4e2e89f4fbedaf33d46d.pdf
- https://static.usrfiles.com/ugd/0a052f_87a2842ebbf245d5b2415bd7a4dd3bcc.pdf
- https://static.usrfiles.com/ugd/3bca44_955b8deca7414b3d900d9b7d8b10e4c5.pdf
- https://static.usrfiles.com/ugd/4dd980_adfaa6fee90f4142b85a56cff5706171.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_off00005efd.bine9b7ae85c6a3a1e33f5a7defb9de2fed3816f130022ec8af0189402bfdeac260 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EFD | 5592 bytes |
font_01_sfnt_off00007205.bin707b546eeec858831cd833ff786cc7acb9f587449601b0130024f54b7d63afe5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7205 | 9968 bytes |
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