MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, appears to be related to educational worksheets, a common lure. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' strongly indicate a malicious intent 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.com/pify?keyword=adding+and+subtracting+fractions+worksheets+year+5
- http://files.reddevilphotographic.com/uploads/1/3/2/8/132814906/delelexu.pdf
- http://files.donnysinge.com/uploads/1/3/1/8/131871745/7760950.pdf
- http://files.euclidskating.org/uploads/1/3/0/7/130775245/3844231.pdf
- http://files.a2therapyworks.com/uploads/1/3/0/8/130813025/tipikemege-gogenajuzuzuga.pdf
- http://files.lockdowndoorshades.com/uploads/1/3/1/6/131636655/fdc42ac92b172.pdf
- https://cdn.shopify.com/s/files/1/0430/8900/2653/files/lunojokidu.pdf
- https://cdn.shopify.com/s/files/1/0437/3096/0549/files/peniburilovexuzabezar.pdf
- https://cdn.shopify.com/s/files/1/0431/5004/9446/files/77002877397.pdf
- https://cdn.shopify.com/s/files/1/0437/6032/0669/files/22194662000.pdf
- https://cdn.shopify.com/s/files/1/0434/9313/0390/files/8895608848.pdf
- https://cdn.shopify.com/s/files/1/0430/8955/9705/files/45811308133.pdf
- https://cdn.shopify.com/s/files/1/0430/8212/1377/files/70438998801.pdf
- https://cdn.shopify.com/s/files/1/0441/4429/6088/files/rixopivepigijolagatusu.pdf
- https://cdn.shopify.com/s/files/1/0434/8834/6262/files/75064380537.pdf
- https://cdn.shopify.com/s/files/1/0430/6888/3098/files/12067887034.pdf
- https://cdn.shopify.com/s/files/1/0432/7899/1513/files/92811689260.pdf
- https://cdn.shopify.com/s/files/1/0432/8947/7278/files/moboselibotosolite.pdf
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/vijej.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_off00007707.bincdf468d7400664abf4dea7d01e01dc15b708cea933089356f3da353a605e7076 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7707 | 5644 bytes |
font_01_sfnt_off00008a3d.binb09106195d7f493cc7964b6f31a80b062860d94732a4b49b83219fc1e5ebb872 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A3D | 9384 bytes |
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