MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains a large number of embedded links, including one pointing to a known malicious redirector. The heuristic PDF_SEO_LINK_FARM indicates a mass external PDF link farm, with the primary URL being a redirector. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious classification. The document body is heavily obfuscated and unreadable, but the presence of numerous links suggests a phishing or malware distribution 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=quote+template+travel+agency
- http://files.conservatorappliances.com/uploads/1/3/0/7/130740221/3437078.pdf
- http://files.renattaazzam.com/uploads/1/3/1/6/131636562/mubanuwibidutuz_bubifuref_sumevo.pdf
- http://files.whitefishtherapy.com/uploads/1/3/0/9/130969424/fobenetuweg_sivumew_vozimaxonuxala.pdf
- http://files.sagemamadoula.com/uploads/1/3/0/9/130969428/5291829.pdf
- https://cdn.shopify.com/s/files/1/0432/4225/8587/files/72063936968.pdf
- https://cdn.shopify.com/s/files/1/0428/5012/3943/files/19540140775.pdf
- https://cdn.shopify.com/s/files/1/0433/4567/4389/files/bewenebukomuzavi.pdf
- https://cdn.shopify.com/s/files/1/0435/8511/0175/files/74163142965.pdf
- https://cdn.shopify.com/s/files/1/0431/5221/2130/files/81289776879.pdf
- https://cdn.shopify.com/s/files/1/0429/4275/9071/files/bapikebes.pdf
- https://cdn.shopify.com/s/files/1/0431/7301/9808/files/wiforosepabuno.pdf
- https://cdn.shopify.com/s/files/1/0434/4751/7341/files/gomepimemunotoxogurug.pdf
- https://cdn.shopify.com/s/files/1/0431/2930/7293/files/89622730984.pdf
- https://cdn.shopify.com/s/files/1/0432/6578/6006/files/57321076628.pdf
- https://cdn.shopify.com/s/files/1/0432/5467/7662/files/duzosizoriwigovazazafug.pdf
- https://cdn.shopify.com/s/files/1/0428/9763/7535/files/82796207535.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_off0000727c.bind53f4864914c30bc265d70e76ecf46b4c553631969dec12d86955d79ac5eecea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x727C | 5132 bytes |
font_01_sfnt_off000083e6.bin27d483c1cd81a22528a60a6e197764dd3073e38275f58131d0eed8948aa4e44b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83E6 | 9616 bytes |
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