MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains embedded links that redirect to a known malicious infrastructure, specifically 'ttraff.ru'. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'conquer maths answers', suggesting a phishing or scam attempt. The ML classifier strongly indicates maliciousness.
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=conquer+maths+answers+p6
- http://files.shannondrhodes.com/uploads/1/3/0/8/130873907/1944747.pdf
- http://files.afsfabillierenfroe.com/uploads/1/3/1/3/131380177/83533.pdf
- http://files.theclassicalacademy.co/uploads/1/3/2/8/132815791/9543073.pdf
- http://files.toothnscale.com/uploads/1/3/2/7/132740747/346fa.pdf
- http://files.shannondrhodes.com/uploads/1/3/0/8/130873
- https://cdn.shopify.com/s/files/1/0428/2816/9375/files/26506849752.pdf
- https://cdn.shopify.com/s/files/1/0433/3898/9718/files/povezudokif.pdf
- https://cdn.shopify.com/s/files/1/0431/3756/4823/files/kimojipotuzew.pdf
- https://cdn.shopify.com/s/files/1/0431/7321/6412/files/kanobolikaxowag.pdf
- https://cdn.shopify.com/s/files/1/0433/6209/1163/files/2511762668.pdf
- https://cdn.shopify.com/s/files/1/0431/6993/9607/files/tudeborinosizogub.pdf
- https://cdn.shopify.com/s/files/1/0430/1638/8761/files/30538412132.pdf
- https://cdn.shopify.com/s/files/1/0431/1095/7210/files/56420031974.pdf
- https://cdn.shopify.com/s/files/1/0433/9816/8727/files/ruxifozitos.pdf
- https://cdn.shopify.com/s/files/1/0428/2089/4886/files/48196638534.pdf
- https://cdn.shopify.com/s/files/1/0431/1223/5174/files/85226948358.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006921.bin8f78e4263c740abc4318f13ccc4296caa39bd378b0e1514ebb538658cf2280e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6921 | 5256 bytes |
font_01_sfnt_off00007ada.bine9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ADA | 1800 bytes |
font_02_sfnt_off00008368.binc9759943cb83f0c78e4a31caade33483d69f9a28a286aa23da88d3a3b745cbc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8368 | 10844 bytes |
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