MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link farm and a direct link to a known malicious redirector, ttraff.com. The document body, though heavily obfuscated, contains text related to 'Cradle song brahms sheet music', suggesting a lure to entice users to click the malicious link. The primary malicious URL identified is https://ttraff.com/pify?keyword=cradle+song+brahms+sheet+music, which is likely used to redirect users to a further stage of the attack. The presence of numerous other PDF links suggests a link farm SEO strategy to improve search engine ranking and visibility.
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/pify?keyword=cradle+song+brahms+sheet+music
- http://jufilo.kathysartplace.com/uploads/1/3/0/8/130814179/dojumofulumas-zobeb.pdf
- http://files.danielmartinezjr.com/uploads/1/3/0/9/130969061/loxafik_xewememopede.pdf
- http://kivolaxo.eaglerivermassage.com/uploads/1/3/1/4/131437601/1edc2445d165b.pdf
- https://cdn.shopify.com/s/files/1/0435/7442/7806/files/51950040062.pdf
- https://cdn.shopify.com/s/files/1/0430/6511/4775/files/atharvashirsha_in_sanskrit.pdf
- https://cdn.shopify.com/s/files/1/0430/0279/0039/files/pafexelawibidaron.pdf
- https://cdn.shopify.com/s/files/1/0432/8839/5936/files/mathematics_of_finance_pearson.pdf
- https://cdn.shopify.com/s/files/1/0437/3502/3770/files/plant_cell_wall_structure_and_function.pdf
- https://cdn.shopify.com/s/files/1/0434/7461/6472/files/mogubepulidusurapoz.pdf
- https://cdn.shopify.com/s/files/1/0436/1843/5229/files/conceptual_physical_science_hewitt.pdf
- https://cdn.shopify.com/s/files/1/0429/0058/6649/files/gijutifizup.pdf
- https://cdn.shopify.com/s/files/1/0432/6994/7555/files/7472604922.pdf
- https://cdn.shopify.com/s/files/1/0431/4441/3341/files/free_maths_worksheets_for_grade_1.pdf
- https://cdn.shopify.com/s/files/1/0435/1341/3791/files/manual_batedeira_kitchenaid_artisan.pdf
- https://cdn.shopify.com/s/files/1/0436/2698/7680/files/bracing_in_steel_structure.pdf
- https://cdn.shopify.com/s/files/1/0450/7539/8821/files/beginner_excel.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_off00005758.bincbf0062a1ee23fb4887acbaf86a66a50968e4257099d91dc4d3c6f128e3c8a69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5758 | 5396 bytes |
font_01_sfnt_off00006981.bin9cb0a906e6ef752c2d8651a5a7286f35a616712d956de7e9eb12f9c96af920fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6981 | 10380 bytes |
font_02_sfnt_off00008d50.bin2ddeffe5ea78dc9dd20c175c7dbb40d3a846b5b67660126dce5559c9caf6b669 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D50 | 16188 bytes |
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