MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one identified as a malicious redirector. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains URLs that are also present in the embedded link list, suggesting a coordinated effort to lure users to malicious sites. The presence of a malicious redirector indicates the likely intent is to funnel users to phishing pages or download further malicious 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.ru/pify?keyword=informal+email+writing+samples+pdf
- http://faropeso.bookpod.com.au/uploads/1/3/1/6/131607600/9f6983d.pdf
- http://files.amussispainting.com/uploads/1/3/0/7/130740148/c4c9371e.pdf
- http://zogadikuj.busarovasart.com/uploads/1/3/2/8/132814930/2276017.pdf
- http://files.taichifuture.com/uploads/1/3/1/4/131408024/silitinedojijezinoje.pdf
- http://files.mildredsfatburgers.com/uploads/1/3/0/8/130874526/sevuvizepufitufobi.pdf
- https://cdn.shopify.com/s/files/1/0430/7759/9383/files/jubodamekifegoxurigej.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/brick_bonding.pdf
- https://cdn.shopify.com/s/files/1/0427/4136/6951/files/anti_afk_script.pdf
- https://cdn.shopify.com/s/files/1/0435/1026/8064/files/togugatusan.pdf
- https://cdn.shopify.com/s/files/1/0431/1656/0550/files/46136165831.pdf
- https://cdn.shopify.com/s/files/1/0432/2190/9662/files/kusiripovebawigamujidawo.pdf
- https://cdn.shopify.com/s/files/1/0436/9183/5545/files/ffxiv_act_overlay_plugin.pdf
- https://cdn.shopify.com/s/files/1/0428/8249/8716/files/66963979115.pdf
- https://cdn.shopify.com/s/files/1/0428/9092/0099/files/5128806205.pdf
- https://cdn.shopify.com/s/files/1/0433/4003/8302/files/losegeg.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_off00006212.bin6efcaa4655a380332f3c2d0b63190a0479faf4f3db79f1d0903fe84e9d28360d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6212 | 5392 bytes |
font_01_sfnt_off00007467.bin12819edb5f72aed414661cc44eea983fc16459093e784ae9f9929efbbbc88002 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7467 | 10484 bytes |
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