MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links, with one identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to a 'Bently nevada 3500/53 manual'. The presence of a link farm and a critical heuristic firing for malicious redirector links indicates a high likelihood of this document being used to drive traffic to malicious sites. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.
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.cc/wix?keyword=bently+nevada+3500%252F53+manual
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/ac51ce_c396d0198d8446b9b77b7200bc6cae77.pdf
- https://static.usrfiles.com/ugd/850f07_13bfad94caff44e78a0a38e4350a0e92.pdf
- https://static.usrfiles.com/ugd/bb13a2_7b808b9de440432bbf540dc40ab6f371.pdf
- https://static.usrfiles.com/ugd/3e0cb9_ce3950f839444947bd17646611cd05c1.pdf
- https://static.usrfiles.com/ugd/a8ca0f_d6e0bbfec30f452e8d0f7169f619b61f.pdf
- https://static.usrfiles.com/ugd/eb6612_1754f7d32287485abcbf3d41499aa1b1.pdf
- https://cdn.shopify.com/s/files/1/0461/0981/9043/files/zesururavonu.pdf
- https://cdn.shopify.com/s/files/1/0438/1173/3664/files/classification_of_antidotes.pdf
- https://cdn.shopify.com/s/files/1/0433/8234/1781/files/78322067243.pdf
- https://cdn.shopify.com/s/files/1/0437/0425/4615/files/sugubiregob.pdf
- https://cdn.shopify.com/s/files/1/0431/8245/7000/files/23864476167.pdf
- https://static.usrfiles.com/ugd/97368a_183dac53f866481e9fcd869746f3a2f8.pdf
- https://static.usrfiles.com/ugd/b8c837_fa95854cc88841c696f29247252cd6fa.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_off000063b0.bin9cdadb676a00d21107a6ca26343498ef0680964859959a5021c8df2a6fcbe286 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63B0 | 5376 bytes |
font_01_sfnt_off000075fe.bin028730ae0092dd42c9ff69af7615b769d6d71f2852256108446a20ba4edfdb34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75FE | 11076 bytes |
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