MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are part of this link farm, including a suspicious entry pointing to ttraff.com. The primary attack pattern involves luring users to click on these links, which likely lead to 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.com/pify?keyword=biomorphic+structures+pdf
- http://files.silverspoondinner.com/uploads/1/3/1/3/131379485/d89041c3c9.pdf
- http://files.kathyglennstudio.com/uploads/1/3/0/7/130738852/wudenumujigikebijiba.pdf
- http://files.farrellheatingandcooling.com/uploads/1/3/0/7/130739227/f27913e8.pdf
- http://files.shellyliedtke.com/uploads/1/3/1/4/131437385/5357816.pdf
- http://files.sladkyzivot.net/uploads/1/3/0/8/130814926/vabazidivapakemimi.pdf
- https://cdn.shopify.com/s/files/1/0431/2937/2832/files/83822185981.pdf
- https://cdn.shopify.com/s/files/1/0433/3309/1480/files/27252094338.pdf
- https://cdn.shopify.com/s/files/1/0429/2427/7923/files/42838683990.pdf
- https://cdn.shopify.com/s/files/1/0438/5947/6630/files/zeluwosorirogafopije.pdf
- https://cdn.shopify.com/s/files/1/0431/5322/7936/files/vewaxezupodika.pdf
- https://cdn.shopify.com/s/files/1/0432/0778/6657/files/88667545303.pdf
- https://cdn.shopify.com/s/files/1/0438/6878/2757/files/93179635965.pdf
- https://cdn.shopify.com/s/files/1/0431/0230/6468/files/65751569839.pdf
- https://cdn.shopify.com/s/files/1/0440/7679/4021/files/99396474849.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zumimulapowekulusevenire.pdf
- https://cdn.shopify.com/s/files/1/0436/0686/8126/files/guwifojelifikobupod.pdf
- https://cdn.shopify.com/s/files/1/0436/4537/0518/files/84964294544.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_off00006162.bin7b0de2a8105ebf9f90bd7abf47eb099185ba6f39d74855909105cd8b5fc6c138 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6162 | 5204 bytes |
font_01_sfnt_off000072ef.binf409f772d3b8f199124203d416498e2a298232d046501da5c219b1bc34bfcbf0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72EF | 9828 bytes |
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