MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains URLs that appear to be part of a link farm, suggesting an attempt to manipulate search engine results or lure users to malicious sites. The ML classifier also 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.cc/wix?keyword=degrees+of+comparison+of+adjectives+rules+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/90423f_5c59255ecfa74f04ac6bb0e47cdc9ca3.pdf
- https://static.usrfiles.com/ugd/197ed4_be42433ece424d1289f18a0582ac1616.pdf
- https://static.usrfiles.com/ugd/73cb9e_262154362ff94691b4d7fded277508d0.pdf
- https://static.usrfiles.com/ugd/ade4e6_aa1fdb1a4319490585ff3e76e9ef583a.pdf
- https://static.usrfiles.com/ugd/b8c837_9ff3a7138cc3429ea17e92826c9049c5.pdf
- https://static.usrfiles.com/ugd/b8c837_9f18ed1b06b449c5bd5bb0d4fd25636c.pdf
- https://static.usrfiles.com/ugd/7ef0dc_4c8bd48e9d404dff99e0d474875bdd2c.pdf
- https://static.usrfiles.com/ugd/c836c3_0053dd297e3a49929870982e8f0f98ca.pdf
- https://cdn.shopify.com/s/files/1/0428/4389/8019/files/hyperlynx_signal_integrity_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0431/4379/0760/files/kodak_alaris_s2020w.pdf
- https://cdn.shopify.com/s/files/1/0437/2715/9448/files/cctv_cable_installation_guide.pdf
- https://cdn.shopify.com/s/files/1/0439/2402/9608/files/hot_dog_cart_business_plan_template.pdf
- https://static.usrfiles.com/ugd/529dbf_a2c94cbc07884bbfb1240186e5570b1e.pdf
- https://static.usrfiles.com/ugd/b8c837_6065188ab8e34fb9ba84f9bcf177a299.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_off00007118.bin53ce92428132c96dd7b072305b7de0811ab096b602d806422e8b9f131c8be81a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7118 | 5612 bytes |
font_01_sfnt_off00008432.bin72c7da56cb64bef0c182a2d8554bcdd88770f555430225e3c48ed1f099dc7f91 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8432 | 13272 bytes |
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