MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.com/wix?keyword=the+pastry+chefs+little+black+book, which is flagged as a malicious redirector. The presence of a large number of external PDF links, many pointing to static.usrfiles.com, suggests a link farm or SEO poisoning tactic to obscure the malicious destination.
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=the+pastry+chefs+little+black+book
- https://static.usrfiles.com/ugd/74c34a_888fef407e964613878b2ad45b0fac88.pdf
- https://static.usrfiles.com/ugd/b8c837_58a4d8aba22841058fb5ae4fc3ea5dc7.pdf
- https://static.usrfiles.com/ugd/69695d_76a0def3a8824e2fb40095c3514bbe25.pdf
- https://cdn.shopify.com/s/files/1/0431/9232/0161/files/rational_expression_worksheet_1_simplifying_answer_key.pdf
- https://static.usrfiles.com/ugd/b8c837_2c5b2d63d23244fd94b587fa27ec72a3.pdf
- https://static.usrfiles.com/ugd/227d0f_c9af88b793384e47842e6815bb0ffa27.pdf
- https://static.usrfiles.com/ugd/b8c837_2cfb218e1ffc4994b0766b8577d79656.pdf
- https://static.usrfiles.com/ugd/086daf_3ed3ada706944d13867ba0d6be9d73dd.pdf
- https://static.usrfiles.com/ugd/9b33c5_b2d065a009c24444b58a001268564336.pdf
- https://static.usrfiles.com/ugd/a01749_7a027134644743a5ae4a511a83be4808.pdf
- https://static.usrfiles.com/ugd/6cf392_73f0d155421f4f169dc4e76fbc14a3c2.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_off00005e7e.binee0cec303fd1b475cb26e29a9fc1b538f015aed37a268ab58d24efaf70c410b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E7E | 5040 bytes |
font_01_sfnt_off00006fb5.bin9c280c86c7d90d3f284a1357433ff1a155cf36604b7a64301ce361c049dec25f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FB5 | 10092 bytes |
font_02_sfnt_off00009230.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9230 | 4324 bytes |
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