MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a worksheet answer key. The ML classifier strongly indicated maliciousness, and the PDF was found to contain a link farm pointing to numerous external PDFs. The primary malicious URL is https://ttraff.cc/pify?keyword=momentum+conservation+worksheet+3.+1+answers, which likely serves as a lure to download further malicious 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.cc/pify?keyword=momentum+conservation+worksheet+3.+1+answers
- http://files.redrockpilates.com.au/uploads/1/3/2/6/132681392/9255355.pdf
- http://files.pointofactionpdx.com/uploads/1/3/0/8/130874211/0d7e5b5c6e.pdf
- https://cdn.shopify.com/s/files/1/0431/0568/1562/files/suvanapofafuxapepumot.pdf
- https://cdn.shopify.com/s/files/1/0428/2518/7491/files/zedoxo.pdf
- https://cdn.shopify.com/s/files/1/0429/7208/6423/files/393514297.pdf
- https://cdn.shopify.com/s/files/1/0434/9231/1206/files/78988352798.pdf
- https://cdn.shopify.com/s/files/1/0431/3900/6615/files/35498724481.pdf
- https://cdn.shopify.com/s/files/1/0437/6405/6225/files/wozamefapubogexefeme.pdf
- https://cdn.shopify.com/s/files/1/0428/2135/3635/files/88883918850.pdf
- https://cdn.shopify.com/s/files/1/0428/5143/4659/files/xatesirevubusutaxulomam.pdf
- https://cdn.shopify.com/s/files/1/0431/1685/5457/files/anatomia_humana_cabeza_y_cuello.pdf
- https://cdn.shopify.com/s/files/1/0428/9763/7535/files/80032663388.pdf
- https://cdn.shopify.com/s/files/1/0431/3343/6066/files/rinolej.pdf
- https://cdn.shopify.com/s/files/1/0439/0263/2104/files/amadeus_selling_platform_connect.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_off00004de4.bin07e22fc8faf733c325db817db879df08c830cb6610c521ee6eb4e21bab0779e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DE4 | 5356 bytes |
font_01_sfnt_off00006016.bin9faeefdca54a12f72aee35d7851e6224eee27e4c99226ceba9fafefc0ae9d9be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6016 | 10212 bytes |
font_02_sfnt_off00008302.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8302 | 4324 bytes |
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