MALICIOUS
150
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', which is further supported by the document body containing the same URL and a lure for 'ccs c compiler crack'. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to 'static.usrfiles.com'. The ML classifier strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering via a malicious link within the document.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/wix?keyword=ccs+c+compiler+crack
- https://static.usrfiles.com/ugd/0ebc1f_3091e674d66d4c69b7755bc00f1ca348.pdf
- https://static.usrfiles.com/ugd/39cb9d_4888d36c48e3482481f928d3a20f439e.pdf
- https://static.usrfiles.com/ugd/e6092c_6eecf566ecc643d38b34c4ab586722ae.pdf
- https://static.usrfiles.com/ugd/9ff9b8_86f9e5a8c9714277b54091d01debbf76.pdf
- https://static.usrfiles.com/ugd/b28561_5e09688b872d488b9eb033c504739d5c.pdf
- https://static.usrfiles.com/ugd/38bf1f_18b7483a23ce429288871bdbba432555.pdf
- https://static.usrfiles.com/ugd/cf79db_ebfff27489774b168a9835be7414d08f.pdf
- https://static.usrfiles.com/ugd/cac9e4_d39b62ce851348f5b7f1a05d734bbd40.pdf
- https://cdn.shopify.com/s/files/1/0429/9502/4033/files/shipper_export_declaration.pdf
- https://cdn.shopify.com/s/files/1/0431/9323/7665/files/xenifofigudotefivul.pdf
- https://cdn.shopify.com/s/files/1/0438/1615/7344/files/download_caballo_de_troya_1.pdf
- https://cdn.shopify.com/s/files/1/0429/4659/2924/files/venanosenemijiwejojuzeru.pdf
- https://cdn.shopify.com/s/files/1/0431/9156/6493/files/xasumosuvekodega.pdf
- https://cdn.shopify.com/s/files/1/0431/5866/7430/files/dora_kiss_cartoon.pdf
- https://cdn.shopify.com/s/files/1/0428/7997/5590/files/parerigulux.pdf
- https://cdn.shopify.com/s/files/1/0431/8511/1203/files/52701497823.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_off00005bea.bin0850afcdac9a5e1a8d635ffabca21d32fc9fbd1bf13a1814bbba89c4ffced4ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BEA | 5048 bytes |
font_01_sfnt_off00006cee.binbb8addac49dbd3c2a0fe93b204334ed574b3de975321a0e15e2af0cd29dfa33c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CEE | 1676 bytes |
font_02_sfnt_off0000753b.bin3d9ba73bde8e72e8c355e80affb6f54fb3ca41ee2761efdcee1bbc181d375be3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x753B | 10016 bytes |
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