MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure for sheet music, which is then used to mask the malicious redirection. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious PDF.
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=broken+halos+sheet+music+free
- http://files.fortheloveofriding.com/uploads/1/3/2/6/132682868/3412443.pdf
- http://files.creatingmen.com/uploads/1/3/2/6/132681544/xigenitexugeweb.pdf
- http://files.sproutsmyanmar.com/uploads/1/3/2/3/132302863/giburapudiga-dojowul.pdf
- http://files.creatingmen.com/uploads/1/3/2/6/132681544/xig
- https://cdn.shopify.com/s/files/1/0431/9897/2066/files/sizejofexetexogovojebil.pdf
- https://cdn.shopify.com/s/files/1/0431/2724/2903/files/16850957272.pdf
- https://cdn.shopify.com/s/files/1/0433/5288/3352/files/zaxapowadizexenipum.pdf
- https://cdn.shopify.com/s/files/1/0428/7230/7875/files/ledurof.pdf
- https://cdn.shopify.com/s/files/1/0435/4693/5447/files/kufajino.pdf
- https://cdn.shopify.com/s/files/1/0431/0161/8330/files/tofofojuzojibanasoga.pdf
- https://cdn.shopify.com/s/files/1/0435/4444/5082/files/70810168465.pdf
- https://cdn.shopify.com/s/files/1/0430/7940/1632/files/26754830437.pdf
- https://cdn.shopify.com/s/files/1/0430/4463/4773/files/wevusegogu.pdf
- https://cdn.shopify.com/s/files/1/0433/5878/1590/files/kojexo.pdf
- https://cdn.shopify.com/s/files/1/0432/0300/2523/files/34709385096.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fadanamimurusekebunom.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_off000053f7.bin178b332a62c80a9a4671e581712619ef4a1ebc7f39abb2bb68288e0e48e0646c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53F7 | 5116 bytes |
font_01_sfnt_off0000652a.bin1f68c006daf2d10b9d435da90e4f20f94e3e24ec309254e3e13fb971ab06a993 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x652A | 9564 bytes |
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