MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm and a direct link to a known malicious redirector, ttraff.ru. The document body, though heavily obfuscated, contains the same URL and keywords related to 'piano sheet free', suggesting a lure. The presence of a visible LOLBin command execution instruction indicates the potential for further malicious activity, likely initiated by the redirector.
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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Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMANDDocument contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
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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/pify?keyword=one+summer%2527+s+day+piano+sheet+free
- http://files.isabelhowlett.shop/uploads/1/3/1/3/131380440/nobogixubi_befivuw.pdf
- http://pukelevi.juliannawells.com/uploads/1/3/0/7/130775607/nudalegubofolasim.pdf
- http://masojis.hawkinsortho.net/uploads/1/3/2/8/132814074/45186e018aac.pdf
- https://cdn.shopify.com/s/files/1/0438/2621/7120/files/non_conformance_report.pdf
- https://cdn.shopify.com/s/files/1/0438/0390/2112/files/powershell_split_string.pdf
- https://cdn.shopify.com/s/files/1/0437/6503/9261/files/kamawerazenukagijuwaxena.pdf
- https://cdn.shopify.com/s/files/1/0432/2790/6206/files/sobovarewopafaliregokik.pdf
- https://cdn.shopify.com/s/files/1/0429/5216/3481/files/sidofixajaxujufekurugawod.pdf
- https://cdn.shopify.com/s/files/1/0438/3883/2800/files/node_read_json_file.pdf
- https://cdn.shopify.com/s/files/1/0427/4218/6150/files/xavupamagerobaga.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23929268289.pdf
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/93911604495.pdf
- https://cdn.shopify.com/s/files/1/0433/8280/0542/files/talugatalukalafuseso.pdf
- https://cdn.shopify.com/s/files/1/0432/6529/4491/files/functions_math_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0438/4620/5602/files/javascript_timer_countdown.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_off00005a15.binddeccfc0d5d4da11ddc449729561dbb2507b898cf75bbe3d0a3800dddb2cf0a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A15 | 8320 bytes |
font_01_sfnt_off00007647.bin9f95a932c7c070ecf2f0d9c80a26bb427d9e9a9cc38776a5cd288a50141c8ce0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7647 | 5412 bytes |
font_02_sfnt_off00008893.binaf74b8266b30d262a26095bc9c0d0e2ac4924306fb9a314be59140ae0ea0ed53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8893 | 15144 bytes |
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