MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it exhibits a PDF link farm heuristic, with numerous links, many hosted on Shopify, likely to obscure the malicious intent. The ML classifier also strongly indicated maliciousness. The embedded URL 'https://ttraff.ru/pify?keyword=resumen+hamlet+corto' is the primary IOC, suggesting a phishing or malware delivery attempt.
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=resumen+hamlet+corto
- http://zarikit.wicknscents.com/uploads/1/3/2/8/132815806/pafepimamuwoxi.pdf
- http://files.youthdentalconference.com/uploads/1/3/2/3/132303068/suxerujefakobusidom.pdf
- https://cdn.shopify.com/s/files/1/0428/8544/7833/files/59795189356.pdf
- https://cdn.shopify.com/s/files/1/0429/1022/0447/files/97957494369.pdf
- https://cdn.shopify.com/s/files/1/0428/4035/9068/files/99758943334.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35209966956.pdf
- https://cdn.shopify.com/s/files/1/0428/5834/8703/files/direct_and_inverse_variation_practice_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0449/8640/0936/files/literary_devices_list_and_definitions_and_examples.pdf
- https://cdn.shopify.com/s/files/1/0430/3673/7699/files/pilulujakonaneva.pdf
- https://cdn.shopify.com/s/files/1/0428/6539/3820/files/sefejogofi.pdf
- https://cdn.shopify.com/s/files/1/0434/1845/2120/files/4246112685.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_off0001a755.bin28e6189dc212696b04109cfd419c85807d34d3921935477df99cdcd34ec36b9e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A755 | 5044 bytes |
font_01_sfnt_off0001b845.binf295961bff2c6d2366393620818c0782f80edfeb7c360a72541015104cb4b51e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B845 | 11444 bytes |
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