MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify-hosted PDFs, indicating a link farm likely for SEO manipulation or content distribution. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.cc/wix?keyword=temario+de+desarrollo+humano. The ML classifier also strongly flagged this PDF as malicious.
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/wix?keyword=temario+de+desarrollo+humano
- https://cdn.shopify.com/s/files/1/0433/2562/0374/files/23938819273.pdf
- https://cdn.shopify.com/s/files/1/0431/6466/3967/files/learn_swiss_german.pdf
- https://cdn.shopify.com/s/files/1/0431/9897/2066/files/texomifovokufumasaxaw.pdf
- https://cdn.shopify.com/s/files/1/0437/9967/5041/files/agrochemicals_books.pdf
- https://cdn.shopify.com/s/files/1/0437/3735/0309/files/botulijaku.pdf
- https://static.usrfiles.com/ugd/07625c_8c7e260265864686b6a471ffb709ddb7.pdf
- https://static.usrfiles.com/ugd/b8c837_264070d4c1084d1aa4fd2c8dec6a0501.pdf
- https://static.usrfiles.com/ugd/07625c_1ba818ecd7cd4ec9bf2ba336b3f53820.pdf
- https://static.usrfiles.com/ugd/1a89c8_4ff7981832da4b0380dd9f823a9b04b1.pdf
- https://static.usrfiles.com/ugd/b8c837_43908046ed7c433aa70d50bbaae0003a.pdf
- https://cdn.shopify.com/s/files/1/0440/4926/8886/files/88542660068.pdf
- https://cdn.shopify.com/s/files/1/0429/5812/7270/files/2675590087.pdf
- https://cdn.shopify.com/s/files/1/0462/7342/9661/files/assistive_touch_mod_apk_no_ads.pdf
- https://cdn.shopify.com/s/files/1/0437/6186/0757/files/azoteas_y_muros_verdes.pdf
- https://cdn.shopify.com/s/files/1/0429/6769/5509/files/zonijojoduku.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_off00004e5d.bin393ba1c88da7e7d41600b5c5b98a92a683fc08e222b07ba63ceccb1db34f1518 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E5D | 4816 bytes |
font_01_sfnt_off00005e78.bin386d2dc677a8c8f79e7d160384ecce6704e64d09d20e3b78e91f1535d11698e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E78 | 10388 bytes |
font_02_sfnt_off00008056.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8056 | 4324 bytes |
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