MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to redirector infrastructure or potentially malicious content. The document body, though heavily obfuscated, contains text suggesting a 'lab report' lure, and the primary malicious URL is a redirector designed to lead users to further malicious sites. The ML classifier 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.link/wix?keyword=lab+report+conclusion+example+chemistry
- http://files.ktplanning.org/uploads/1/3/0/7/130775998/zojamikovo.pdf
- http://files.generationjobless.eu/uploads/1/3/1/0/131070231/dokolekoxut.pdf
- http://segalavaz.etec533.site/uploads/1/3/0/8/130874222/gatifelupuzor.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/5ecadc_53bba358b1864bb297c7f3c5720a3324.pdf
- https://static.usrfiles.com/ugd/0511f5_43817ba0bb794f0bbec889072942be90.pdf
- https://static.usrfiles.com/ugd/3eb4bd_b10c7f56a0ec420e848bb796860e2d9c.pdf
- https://static.usrfiles.com/ugd/4bdc6d_a1e902f481b94c4593e04c95d289fcc7.pdf
- https://static.usrfiles.com/ugd/5befcb_7fe811ff3767443d8a2d2ede62d44810.pdf
- https://static.usrfiles.com/ugd/1715bf_b1bba71f66b24b338ef6049c7b2b56e4.pdf
- https://static.usrfiles.com/ugd/bcfc12_a6974769a8a142238a1c1c478cf56979.pdf
- https://static.usrfiles.com/ugd/912de2_ab49d125daa242688aa70c14bbb6d92a.pdf
- https://static.usrfiles.com/ugd/f3cb45_9ebeea53effb4a65822c2aed7ba45c19.pdf
- https://static.usrfiles.com/ugd/b8c837_54e0d526506b431ab5c943c5b52a4383.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006861.binaf00a5f407f6a6a34158520780cb5d60dfd4e07f7f770cd428e6b9c7feb3dcd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6861 | 5424 bytes |
font_01_sfnt_off00007aae.bin341e6c17657d4330a577786bcf89c1518a4bfca71a2c983eb2e323736572d591 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AAE | 10272 bytes |
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