MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body text, though heavily obfuscated, contains a URL that appears to be a lure for sheet music. The PDF_SEO_LINK_FARM heuristic suggests a large number of outbound links, likely for SEO manipulation or to distribute malicious content. The ML_NYX_PDF_MALICIOUS classifier strongly indicates malicious intent.
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.com/pify?keyword=ebony+and+ivory+piano+sheet+music
- http://files.sacredstarastrology.com/uploads/1/3/1/4/131437657/816ea.pdf
- https://cdn.shopify.com/s/files/1/0440/9124/4696/files/kifiwuvazakorem.pdf
- https://cdn.shopify.com/s/files/1/0438/0629/4176/files/rewrite_the_stars_piano_sheet_music_free.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/sirujibugokosogatorutono.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48466687054.pdf
- https://cdn.shopify.com/s/files/1/0435/3058/4213/files/southern_africa_map.pdf
- https://cdn.shopify.com/s/files/1/0437/4904/8474/files/deool_band_marathi_movie_ringtone.pdf
- https://cdn.shopify.com/s/files/1/0437/4223/2725/files/97315089419.pdf
- https://cdn.shopify.com/s/files/1/0427/7754/2823/files/dekasegenometaxowewabubi.pdf
- https://cdn.shopify.com/s/files/1/0433/6861/1989/files/baroxoliwofogobivolo.pdf
- https://cdn.shopify.com/s/files/1/0433/1218/5499/files/69776744258.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_off00003ef6.binc1f9a1ed2906446e16015063b2e8d942079473ed73176ea05f744eba13ca649e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3EF6 | 5540 bytes |
font_01_sfnt_off000051a2.bine098738ac0e8fe7cb60d8af5c2d24048e2683b1c0aabb1d4247ff0d84ab73d40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51A2 | 9580 bytes |
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