MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links pointing to other PDF files, indicative of a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.com/pify?keyword=rune+mysteries+osrs. The ML classifier strongly supports the malicious verdict. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.
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=rune+mysteries+osrs
- http://files.priorityathlete.com/uploads/1/3/0/7/130738799/8000719.pdf
- http://files.goldenbayatc.org/uploads/1/3/1/0/131070820/kamadi.pdf
- http://files.tssparking.com/uploads/1/3/1/3/131384401/kelilefi-fososegexes.pdf
- https://cdn.shopify.com/s/files/1/0436/4356/8278/files/zamonofise.pdf
- https://cdn.shopify.com/s/files/1/0427/8072/1311/files/sekanasopejona.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76222514852.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9908973296.pdf
- https://cdn.shopify.com/s/files/1/0437/6566/1845/files/desmos_quadratic_regression.pdf
- https://cdn.shopify.com/s/files/1/0433/4003/8298/files/nobilisefuberemaf.pdf
- https://cdn.shopify.com/s/files/1/0433/8951/7978/files/72278290140.pdf
- https://cdn.shopify.com/s/files/1/0434/2838/0839/files/7128910296.pdf
- https://cdn.shopify.com/s/files/1/0434/6114/8836/files/academia_4xx_af_fragments.pdf
- https://cdn.shopify.com/s/files/1/0432/5559/5172/files/23394950229.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_off000088c8.bind686b012f4ac6a027b3de7f50b82cdba56e2bd9df0aef25339b944c25a06f248 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88C8 | 4700 bytes |
font_01_sfnt_off000098b7.bin60197489ad1e867ce5010ca97e4be33d1b18df0fbdbfbd46b0386a88499b4380 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98B7 | 10192 bytes |
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