MALICIOUS
148
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a large number of embedded links, many pointing to static.usrfiles.com, suggesting a link farm for SEO poisoning. One critical heuristic indicates a malicious redirector link to 'ttraff.ru' with a 'call of duty online download pc' keyword, likely a lure for a fake download. Another heuristic suggests a callback or tech-support scam pretext, possibly related to billing or refunds. The document body, though heavily obfuscated, also contains the 'call of duty online download pc' string and the malicious URL.
Heuristics 5
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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.ru/wix?keyword=call+of+duty+online+download+pc
- https://static.usrfiles.com/ugd/40b9e6_3183f5aaeeae42cdbc8cf4ee0f225cba.pdf
- https://static.usrfiles.com/ugd/f4de5e_d56947f016b44eff97e75e6518f1b44a.pdf
- https://static.usrfiles.com/ugd/9cc572_729d464f536e4acaa07a87d03b969d37.pdf
- https://static.usrfiles.com/ugd/79e0dc_23c695e505e3455ca4037d063cb52253.pdf
- https://static.usrfiles.com/ugd/b8c837_89a15ef2bbdf4668aa61d531536b533c.pdf
- https://static.usrfiles.com/ugd/ba3095_8561f524d859489bbc0edcefc30163d7.pdf
- https://static.usrfiles.com/ugd/aff7ca_791595e447b644b390a843dc9e97573e.pdf
- https://cdn.shopify.com/s/files/1/0437/7529/5640/files/virtual_desktop_oculus_quest.pdf
- https://cdn.shopify.com/s/files/1/0435/8393/0527/files/9827458213.pdf
- https://cdn.shopify.com/s/files/1/0432/6604/8165/files/wirutexefurozidagevepi.pdf
- https://cdn.shopify.com/s/files/1/0430/6881/7562/files/14754253269.pdf
- https://static.usrfiles.com/ugd/63022f_9179ca3c87f84bee8bf503ca8fd52dd5.pdf
- https://static.usrfiles.com/ugd/b8c837_efd35249ba134561b3e8a6ddc2c84531.pdf
- https://static.usrfiles.com/ugd/b8c837_8e75c4aab1e141478626a75534c551cd.pdf
- https://static.usrfiles.com/ugd/b8c837_7c0f24aff7b047609dab73deaffd0e8b.pdf
- https://static.usrfiles.com/ugd/0a052f_a29c6e74f657486abe04b07120076b94.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_off000063b4.bin254239dfbb0df09665da7776f495e394332358912d02b11b63c7e72d9ad4494b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63B4 | 4972 bytes |
font_01_sfnt_off000074d3.bin3d8a6fa6235c8695a4139acb11e586cffefd3d5f263c08c7a74fcb6c809cd554 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74D3 | 10760 bytes |
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