MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with one critical heuristic identifying it as a malicious redirector. The embedded document body, though heavily obfuscated, contains text related to a 'balance sheet sample for corporation' and a URL that aligns with the malicious redirector finding. The presence of a mass external PDF link farm further suggests a malicious intent to distribute harmful content.
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.club/wix?keyword=balance+sheet+sample+for+corporation
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/95ea6b_49b20b2bcb4c4a49b2e3c2a5aa6743a8.pdf
- https://static.usrfiles.com/ugd/b8c837_020fe300be4e4cbbadafe8ae2b3033d0.pdf
- https://static.usrfiles.com/ugd/f09a9d_345a791cb45044e6ab3f90e66b5d2ace.pdf
- https://cdn.shopify.com/s/files/1/0431/8851/9076/files/taxabokuwubax.pdf
- https://cdn.shopify.com/s/files/1/0432/4609/2443/files/vb_call_dll_function.pdf
- https://cdn.shopify.com/s/files/1/0433/9616/9886/files/free_printable_math_worksheets_1st_grade_measurement.pdf
- https://static.usrfiles.com/ugd/b5aed9_15c27cb1698746788955f37bf8fbbe23.pdf
- https://static.usrfiles.com/ugd/b88e3d_37d5f529383e473cb8bdf5cdc2f4ed06.pdf
- https://static.usrfiles.com/ugd/e745be_cd9a3e3fb68645efb094a0458be6d20a.pdf
- https://cdn.shopify.com/s/files/1/0429/6943/2230/files/226569037.pdf
- https://cdn.shopify.com/s/files/1/0428/7106/2684/files/lifespan_development_7th_edition_boyd.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_off00008d3e.bineff4b3547ad1d033077fbf6b2c64ad63bd1d3fa66b72a5054d6b16b22b6927c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D3E | 5304 bytes |
font_01_sfnt_off00009f1c.bin56eb593b5281579b2f7f9b507c34c88f3b8fb3661ccccf4a70c2c82090f849cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F1C | 13124 bytes |
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