MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to static.usrfiles.com, but one critical link directs to a malicious redirector at ttraff.me. This suggests a phishing or scam attempt, likely to lead the user to malicious content or a further phishing page. The ML classifier strongly supports the malicious nature of this PDF.
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=cheam+park+farm+uniform+shop
- https://static.usrfiles.com/ugd/23e9be_93e24f81b6eb4fa787f8c281c35d0faa.pdf
- https://static.usrfiles.com/ugd/0779a3_febd650770ec4402acb6acdee716aa9c.pdf
- https://static.usrfiles.com/ugd/7be1cd_9bee4868c5484f6d9e1d77aed0a0802b.pdf
- https://static.usrfiles.com/ugd/868401_5cd1199cb61840cca608bf1f932eba08.pdf
- https://static.usrfiles.com/ugd/271e65_541403555f0f4e878e67270124440548.pdf
- https://cdn.shopify.com/s/files/1/0435/8999/2605/files/how_to_check_cudnn_version.pdf
- https://cdn.shopify.com/s/files/1/0428/2823/4908/files/42898243149.pdf
- https://cdn.shopify.com/s/files/1/0438/0403/3181/files/subegokaga.pdf
- https://cdn.shopify.com/s/files/1/0434/2163/0631/files/ribipuzijixaw.pdf
- https://cdn.shopify.com/s/files/1/0437/5383/2609/files/event_wristbands_mockup_free.pdf
- https://cdn.shopify.com/s/files/1/0434/5331/7272/files/74085465866.pdf
- https://cdn.shopify.com/s/files/1/0432/3137/9619/files/qatar_credit_bureau_report_online.pdf
- https://static.usrfiles.com/ugd/5b9365_5aa48084236a46f3a153c1567d058cd1.pdf
- https://static.usrfiles.com/ugd/8e6e76_751c839ade6d47e59249d0ca36ce57bb.pdf
- https://static.usrfiles.com/ugd/143c98_611adb7494274116b4a00950c87d1c67.pdf
- https://static.usrfiles.com/ugd/a18aa6_6a3b0f02ff0b48db9def9509959f682a.pdf
- https://static.usrfiles.com/ugd/7f16bd_86b2c6f3eaf144f68a15322aa6f41516.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_off000056e7.bin51e8cfc197df45db8cf4dcab8e5cb27d391a7e189c3c43a977c153d6e4f62e8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56E7 | 5076 bytes |
font_01_sfnt_off000067fb.bin1a9fcda5b20fae4e6f257cd9550e67ef0133efd1f8d46e644a67d3085c4e596b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67FB | 10172 bytes |
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