MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to sheet music and the malicious URL. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify. This suggests a phishing or malware distribution attempt, likely using the sheet music theme as a lure.
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.ru/wix?keyword=count+your+blessings+sheet+music+free
- https://cdn.shopify.com/s/files/1/0434/6265/6157/files/37621634514.pdf
- https://cdn.shopify.com/s/files/1/0435/7485/3793/files/45241805198.pdf
- https://cdn.shopify.com/s/files/1/0430/6580/2905/files/rekoxinikafezewit.pdf
- https://cdn.shopify.com/s/files/1/0429/5216/3482/files/attribution_theory_psychology.pdf
- https://static.usrfiles.com/ugd/5e81b9_5a9487c550fa46f187da4d54f5ab1004.pdf
- https://static.usrfiles.com/ugd/7dd30d_cd956d6624354b1bb2e20fc2c68b1c52.pdf
- https://static.usrfiles.com/ugd/b8c837_74ef12afff234ccaae618b61aebf2bca.pdf
- https://static.usrfiles.com/ugd/b8c837_7591dcc17de04f69aac1113b6b9d1fc8.pdf
- https://static.usrfiles.com/ugd/9757e7_c864401a34474521ababb32b877fc766.pdf
- https://cdn.shopify.com/s/files/1/0440/2728/1558/files/69170411226.pdf
- https://cdn.shopify.com/s/files/1/0450/0858/4862/files/retuxumumerunutok.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/42539854631.pdf
- https://cdn.shopify.com/s/files/1/0439/0099/3704/files/eine_kleine_nachtmusik_piano_sheet.pdf
- https://cdn.shopify.com/s/files/1/0429/9181/2767/files/varogejisubekaruresum.pdf
- https://static.usrfiles.com/ugd/bfbc46_40502255736d41c48b45032b2004ed12.pdf
- https://static.usrfiles.com/ugd/73cb9e_9fe078c0fa974c409c8c065ce8a233d2.pdf
- https://static.usrfiles.com/ugd/9c0842_1ae22651dd5b4bd195a1af6db2335d79.pdf
- https://static.usrfiles.com/ugd/0047a4_2722c74a34c245498918cd06cd1d6d25.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_off00006d0d.bin756b883235a306d9c665e936a318a321f58e9c7d638b120832861e380d18d846 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D0D | 5232 bytes |
font_01_sfnt_off00007ec2.bin1bb7d5a8f8193085f7dbee313479c679922ccef252433eeffe62dfdd180f5f6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EC2 | 10008 bytes |
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