MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to 'piano books pdf'. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM strongly indicate a malicious intent to redirect users to harmful content. The ML classifier also flagged this PDF with high confidence.
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=beginning+piano+books+pdf
- http://files.highspringsmuseum.org/uploads/1/3/2/6/132681617/ae3998c.pdf
- http://wukanip.visionillustration.com/uploads/1/3/1/4/131453850/bupelunur.pdf
- http://files.midnightoilscompany.com/uploads/1/3/1/0/131070711/2209653.pdf
- https://cdn.shopify.com/s/files/1/0436/0319/8116/files/64839625996.pdf
- https://cdn.shopify.com/s/files/1/0429/3486/1987/files/rozutuj.pdf
- https://cdn.shopify.com/s/files/1/0433/4062/8136/files/tidebemolidevemonaji.pdf
- https://cdn.shopify.com/s/files/1/0435/4542/8127/files/31732116238.pdf
- https://cdn.shopify.com/s/files/1/0439/3716/9576/files/bevakawifupege.pdf
- https://cdn.shopify.com/s/files/1/0430/3332/9817/files/gepedukuxosariwevapufuku.pdf
- https://cdn.shopify.com/s/files/1/0429/9682/6273/files/dexidaropujurefirazodam.pdf
- https://cdn.shopify.com/s/files/1/0444/4710/5191/files/1987_suzuki_quadrunner_250_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/5573/4166/files/96139960397.pdf
- https://cdn.shopify.com/s/files/1/0430/7052/1495/files/zogalojimi.pdf
- https://cdn.shopify.com/s/files/1/0430/3486/9921/files/65932445518.pdf
- https://cdn.shopify.com/s/files/1/0428/5107/4214/files/midland_75-_822.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_off00007e36.bina2bee4a97f92aee8debff083038ef337a3cdce657b4f415711417a0ffb1d499c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E36 | 5040 bytes |
font_01_sfnt_off00008f60.bin23261960f6cc39dff2af37569c291f61cf5a2112e8fe92b3749236f5848ed3d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F60 | 10136 bytes |
font_02_sfnt_off0000b21e.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB21E | 4324 bytes |
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