MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a redirector disguised as an answer key for an algebra worksheet. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic and the embedded URL in the document body strongly suggest this is a phishing or redirection attempt. The ML_NYX_PDF_MALICIOUS score further supports the malicious nature of the file. No scripts were extracted, limiting the analysis of specific execution behaviors.
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=evaluating+expressions+worksheet+algebra+2+answers
- http://xemazu.envivantblog.com/uploads/1/3/0/9/130969431/fifejusim.pdf
- http://files.stpetersnsdunboyne.com/uploads/1/3/1/1/131164479/zovesasegorejumajeke.pdf
- https://cdn.shopify.com/s/files/1/0437/7654/0834/files/52700611737.pdf
- https://cdn.shopify.com/s/files/1/0428/8629/9815/files/chemistry_matters_2nd_edition_textbook_answers_free_download.pdf
- https://cdn.shopify.com/s/files/1/0461/6306/7032/files/bavobuganoroxa.pdf
- https://cdn.shopify.com/s/files/1/0448/9897/5899/files/list_of_journal_abbreviations.pdf
- https://cdn.shopify.com/s/files/1/0433/8145/7061/files/37782254678.pdf
- https://cdn.shopify.com/s/files/1/0433/0248/6180/files/81300404150.pdf
- https://cdn.shopify.com/s/files/1/0435/2393/2311/files/burnham_boiler_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/2602/1527/files/nowaratuzojumopaxogavul.pdf
- https://cdn.shopify.com/s/files/1/0434/4463/3756/files/php_port_scanner.pdf
- https://cdn.shopify.com/s/files/1/0430/7176/6681/files/23320888685.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_off00004da2.bin3cdcab1e8581759da10f6b8c3e2c91f5231de1b6d3e89507ef33766682da6a18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DA2 | 5592 bytes |
font_01_sfnt_off000060be.bind47c2d61aaab31b3d6a25b48ef218b0d5e07411f76bd83b385a5dcf50ae74a17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60BE | 9552 bytes |
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