MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.ru) known for malicious activity. The document body, though partially corrupted, contains the phrase 'Preparing pro forma financial statements' and a URL that aligns with the redirector. The ML classifier strongly indicated maliciousness, and the PDF structure itself suggests a link farm designed to distribute traffic to potentially harmful sites.
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=preparing+pro+forma+financial+statements
- http://files.tmsapvo.com/uploads/1/3/1/3/131378950/pivojetexekigon.pdf
- http://kovubuf.californiacalisthenics.com/uploads/1/3/1/4/131437308/ed4fe6faf7efe2e.pdf
- https://cdn.shopify.com/s/files/1/0433/1572/4456/files/pisosorigolurowifadom.pdf
- https://cdn.shopify.com/s/files/1/0432/6490/1270/files/83192026451.pdf
- https://cdn.shopify.com/s/files/1/0439/0735/0696/files/91157794733.pdf
- https://cdn.shopify.com/s/files/1/0433/7818/0257/files/54121365618.pdf
- https://cdn.shopify.com/s/files/1/0430/5793/8581/files/jogizukifapa.pdf
- https://cdn.shopify.com/s/files/1/0432/5975/6708/files/tidisuk.pdf
- https://cdn.shopify.com/s/files/1/0433/8620/8406/files/xafugak.pdf
- https://cdn.shopify.com/s/files/1/0436/7230/5817/files/mofupuxom.pdf
- https://cdn.shopify.com/s/files/1/0431/2855/3634/files/7235563099.pdf
- https://cdn.shopify.com/s/files/1/0432/5382/5704/files/dalosujiremu.pdf
- https://cdn.shopify.com/s/files/1/0428/0087/3631/files/32877371503.pdf
- https://cdn.shopify.com/s/files/1/0437/2522/6133/files/zijadenageg.pdf
- https://cdn.shopify.com/s/files/1/0433/3695/8104/files/59880551436.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_off00006a5f.bin4aefa1b8394ded57dc3668acbe71a8dbfe43d63f975c486919452b97c6aaa2a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A5F | 5336 bytes |
font_01_sfnt_off00007c68.bin872cf429efed3dde6f8b7fef3d99da0d979756f4dbd76b7da82ccaf1f3fb5d14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C68 | 9956 bytes |
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