MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The document body, though obfuscated, contains the string 'https://ttraff.ru/pify?keyword=annihilation+pdf+script', indicating a likely attempt to lure users to malicious content. The heuristic firings confirm the presence of malicious redirector links and a link farm, suggesting a phishing or redirection attack.
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=annihilation+pdf+script
- http://vopeki.physicallyeducated.com/uploads/1/3/1/8/131856772/nutevoriwexip.pdf
- http://files.akbryanmoulds.co.uk/uploads/1/3/1/6/131637307/lorefadaxemekure.pdf
- http://files.amandawaltermakeupartist.com/uploads/1/3/0/8/130814411/8008826.pdf
- http://files.heatherseagraves.com/uploads/1/3/2/3/132302774/nufigidoruz-reverime-mojavo.pdf
- https://cdn.shopify.com/s/files/1/0434/1645/3272/files/36243184694.pdf
- https://cdn.shopify.com/s/files/1/0430/1130/9719/files/20422712896.pdf
- https://cdn.shopify.com/s/files/1/0428/8679/1334/files/docsify_export.pdf
- https://cdn.shopify.com/s/files/1/0430/9617/8845/files/speed_test_centurylink.pdf
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/annabel_lee.pdf
- https://cdn.shopify.com/s/files/1/0429/5432/6179/files/renalokavodijazorege.pdf
- https://cdn.shopify.com/s/files/1/0433/7513/2824/files/30678234919.pdf
- https://cdn.shopify.com/s/files/1/0435/8524/1256/files/nosuga.pdf
- https://cdn.shopify.com/s/files/1/0435/1367/5930/files/2__6.pdf
- https://cdn.shopify.com/s/files/1/0433/3171/5225/files/daliripogima.pdf
- https://cdn.shopify.com/s/files/1/0440/3612/8933/files/borunaxidim.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_off0000617a.binea96a3204d4c171daa016645f28b33dce632223c22bca9a11f854598464627fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x617A | 5232 bytes |
font_01_sfnt_off00007344.bin71de3657142935e881a77dcfa4065a433e881cd425787713911da7340e507d45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7344 | 9904 bytes |
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