MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass of external links, with one prominent link pointing to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'battlefield 1943 theme sheet music' and references the wkhtmltopdf generator, suggesting a lure to disguise the malicious intent. The ML classifier strongly indicated maliciousness, and the presence of numerous links, including a confirmed malicious one, supports the conclusion that this document is designed to redirect users to harmful 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.ru/pify?keyword=battlefield+1943+theme+sheet+music
- http://fubagib.retroca.com/uploads/1/3/1/3/131381533/1392127.pdf
- http://files.wolverinenavy.org/uploads/1/3/0/7/130738553/420b3113e3.pdf
- https://cdn.shopify.com/s/files/1/0428/1466/8959/files/56146559725.pdf
- https://cdn.shopify.com/s/files/1/0433/8424/2337/files/kejed.pdf
- https://cdn.shopify.com/s/files/1/0435/2344/0799/files/c._a._m._performance_piqua_ohio_reviews.pdf
- https://cdn.shopify.com/s/files/1/0439/1242/9723/files/nuwedekakerot.pdf
- https://cdn.shopify.com/s/files/1/0435/9471/1203/files/1830353686.pdf
- https://cdn.shopify.com/s/files/1/0435/6082/9087/files/xunibik.pdf
- https://cdn.shopify.com/s/files/1/0435/4015/2479/files/55829292500.pdf
- https://cdn.shopify.com/s/files/1/0433/0084/7781/files/93809484313.pdf
- https://cdn.shopify.com/s/files/1/0428/6365/7119/files/algo_trading_and_dma.pdf
- https://cdn.shopify.com/s/files/1/0429/6205/9427/files/nomufivenutadunewufeda.pdf
- https://cdn.shopify.com/s/files/1/0453/6195/4971/files/29613441058.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_off00004a72.bin0a9dcee0151293e8094130170b6249479898d4468d6b0dd6c51172b752a14468 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A72 | 5676 bytes |
font_01_sfnt_off00005da7.binbcd2139023beedb44f14654d02b5c7a96cbe2916fbef6d4699b744face7c883b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DA7 | 15672 bytes |
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