MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though partially corrupted, suggests a lure related to 'piano sheet music free pdf'. The primary IOC is the malicious redirector URL, which is likely used to deliver a secondary payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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.cc/wb?keyword=tale%20as%20old%20as%20time%20piano%20sheet%20music%20free%20pdf
- http://files.firstunitedpc.org/uploads/1/3/1/6/131607095/a60f6bb711b3109.pdf
- http://gimajuveb.farmhousesignsandco.com/uploads/1/3/1/4/131407355/2636c807.pdf
- http://files.smallbatchspreads.net/uploads/1/3/0/7/130775280/d66377a3cd9b2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/0781/9422/files/31919092001.pdf
- https://cdn.shopify.com/s/files/1/0431/7095/5415/files/51701198195.pdf
- https://cdn.shopify.com/s/files/1/0436/4576/3744/files/76155172293.pdf
- https://cdn.shopify.com/s/files/1/0439/4716/3806/files/bass_guitar_notation.pdf
- https://cdn.shopify.com/s/files/1/0434/6911/1461/files/lusubi.pdf
- https://cdn.shopify.com/s/files/1/0429/3600/8870/files/25775941856.pdf
- https://cdn.shopify.com/s/files/1/0429/5393/2966/files/zagilepixabixudonexesok.pdf
- https://cdn.shopify.com/s/files/1/0429/4737/9356/files/18740034096.pdf
- https://cdn.shopify.com/s/files/1/0435/0961/2712/files/70272563251.pdf
- https://cdn.shopify.com/s/files/1/0433/3069/9414/files/mowubopudupap.pdf
- https://cdn.shopify.com/s/files/1/0434/7530/4612/files/descriptive_statistics_formula.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000057a9.bin2d10211b295f7b645023df43a1e28d719fa53c0d64cd24d67db2e93394bec032 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57A9 | 5344 bytes |
font_01_sfnt_off000069ac.bine3ab19a54c6ee21c8d9b1e6e864263089b28d2918cd7b68581d6f93a6e534701 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69AC | 10916 bytes |
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