MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wb?keyword=once%20upon%20a%20december%20choir%20pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many of which point to benign content on cdn.shopify.com, likely as a camouflage technique. The ML classifier also strongly flagged this PDF as malicious. The primary intent appears to be luring the user to the malicious redirector.
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/wb?keyword=once%20upon%20a%20december%20choir%20pdf
- http://files.fgiii.net/uploads/1/3/2/7/132712233/1222144.pdf
- http://babonewep.ophthalmic-devices.com/uploads/1/3/0/9/130969360/punubixumukunew-togojinijeb-sosetizazibumex.pdf
- http://files.throughmonstrouseyes.com/uploads/1/3/1/6/131636903/4312ad71a06714.pdf
- http://files.msjacksonselementaryclass.com/uploads/1/3/1/4/131453894/2510759.pdf
- https://cdn.shopify.com/s/files/1/0436/4143/8366/files/photosynthesis_and_respiration_answer_key.pdf
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/terraria_cooking_pot.pdf
- https://cdn.shopify.com/s/files/1/0428/7492/9308/files/38372604682.pdf
- https://cdn.shopify.com/s/files/1/0429/1228/4831/files/microelectronic_circuits_7th_edition_free_download.pdf
- https://cdn.shopify.com/s/files/1/0428/5494/0828/files/cake_mania_pc.pdf
- https://cdn.shopify.com/s/files/1/0430/1121/1425/files/40598489156.pdf
- https://cdn.shopify.com/s/files/1/0431/5817/5906/files/strona_bierna_angielski_czasy.pdf
- https://cdn.shopify.com/s/files/1/0444/2108/7398/files/las_clases_sociales_en_el_capitalismo_actual.pdf
- https://cdn.shopify.com/s/files/1/0434/7920/4006/files/17652828189.pdf
- https://cdn.shopify.com/s/files/1/0434/6265/6157/files/sukasukusu.pdf
- https://cdn.shopify.com/s/files/1/0429/1733/1100/files/80203007944.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_off00004a87.binc776d67389c3cde233e3cc1c712913fc8e4a0e7e3c1a9030fb0a434fd3d92f9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A87 | 5352 bytes |
font_01_sfnt_off00005c80.binfa762f88986b772af5d04e597001da189ac09276e2f300ede5fbadcbaf03b8b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C80 | 9820 bytes |
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