MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though partially corrupted, suggests a lure related to 'paper presentation format for project'. The primary malicious link identified is https://ttraff.me/wix?keyword=paper+presentation+format+for+project, which is likely used to redirect users to a malicious site or download further payloads. The presence of a link farm heuristic further supports the malicious intent of distributing links.
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=paper+presentation+format+for+project
- http://files.illinoissaxophonestudio.com/uploads/1/3/0/7/130775111/3318172.pdf
- http://lajilufaf.pasadenapetshospital.com/uploads/1/3/1/6/131606490/kitamukujidewek-nizis-zijijipuso-notezi.pdf
- http://suzev.csdola.org/uploads/1/3/1/4/131453247/vexexeras.pdf
- http://files.mildredsfatburgers.com/uploads/1/3/0/8/130874526/sevuvizepufitufobi.pdf
- https://static.usrfiles.com/ugd/4479ed_ef6746cbb9f74576b2e69ad12408131c.pdf
- https://static.usrfiles.com/ugd/6846fe_f5731c7c476e4bba93a15a8b85b187d3.pdf
- https://static.usrfiles.com/ugd/e66789_d6e0bf9d5bc24887977bbda10cfd561b.pdf
- https://static.usrfiles.com/ugd/538d67_d2ca3a6d98cd4118ac89b77e73eafb34.pdf
- https://static.usrfiles.com/ugd/5ad03d_c307d90aa33c4fdf8e8a532d6dfc75e8.pdf
- https://static.usrfiles.com/ugd/67e251_eb7b35d3f6fc49e989f977d8e155ec21.pdf
- https://static.usrfiles.com/ugd/b8c837_9bcc5f2c98884778aaea515996663cd5.pdf
- https://static.usrfiles.com/ugd/d8e941_0b1dbbfa11214b089c7cdba896585d54.pdf
- https://static.usrfiles.com/ugd/b65acf_86a2338ce177451fa9b3d961806948d8.pdf
- https://static.usrfiles.com/ugd/c81504_3ec1409115a742db8ea4e46995724a66.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_off000066a3.bin9bd80f927b9601c9abd168d7b2c265333d8ecdd54dd739c091b2a75d167e1a9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66A3 | 5208 bytes |
font_01_sfnt_off00007847.bin66778716efc84aff3f7214e97c72bf72e834a95fa6d9a9f41f0900b5f29d0490 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7847 | 10128 bytes |
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