MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and text suggesting sheet music, which is likely a lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify domains, but the primary malicious indicator is the ttraff.com redirector.
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=adeste+fideles+sheet+music+pdf+piano
- http://files.stevensprickschuster.net/uploads/1/3/0/7/130739488/1044151.pdf
- http://files.poconooldtyme.com/uploads/1/3/2/6/132683334/3ce5318aa24e.pdf
- http://files.thebigbowcompany.co.uk/uploads/1/3/0/8/130813922/1873299.pdf
- https://cdn.shopify.com/s/files/1/0438/3562/1526/files/runomoxonidibiki.pdf
- https://cdn.shopify.com/s/files/1/0431/4431/5029/files/92114655092.pdf
- https://cdn.shopify.com/s/files/1/0437/1218/4474/files/40938373325.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6624/files/povoji.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lunugituvalu.pdf
- https://cdn.shopify.com/s/files/1/0432/5107/3174/files/desktop_weather_widget.pdf
- https://cdn.shopify.com/s/files/1/0437/1975/3879/files/apprendre_python_3._6.pdf
- https://cdn.shopify.com/s/files/1/0433/4888/5662/files/sipipotuxufufejemiwu.pdf
- https://cdn.shopify.com/s/files/1/0429/6287/8618/files/pimegagarizeja.pdf
- https://cdn.shopify.com/s/files/1/0429/2512/9894/files/dikevogavudobolimomofeve.pdf
- https://cdn.shopify.com/s/files/1/0434/6612/9574/files/95688877882.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_off0000446f.bind55275524212a90815e618e0bbd60292fef9d2c305692588b3e3d252c3f9edd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x446F | 5172 bytes |
font_01_sfnt_off000055d8.bin7fae21ae8cc657b33b0c3d5882d7f589f9fc79634ad5dac1bfe9c3535b9b5ac4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55D8 | 9508 bytes |
font_02_sfnt_off00007681.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7681 | 4324 bytes |
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