MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to malicious infrastructure, disguised as a free book download. The ML classifier strongly indicated maliciousness. The primary malicious IOC is the redirector URL, which is designed to lead users to further malicious content.
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/pify?keyword=analytical+reasoning+book+pdf+free+download
- http://files.marschnereyemd.com/uploads/1/3/2/3/132302871/kefefowuxi.pdf
- http://files.intuitivepetcare.com/uploads/1/3/0/8/130814032/purusawolalon.pdf
- http://files.myforgenetwork.com/uploads/1/3/2/6/132695388/mivonupojoxu_dazudizopisip_jofanuramap_tinesesapa.pdf
- http://files.85groupphotography.org/uploads/1/3/1/4/131483009/wudanomuwab.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/67142307476.pdf
- https://cdn.shopify.com/s/files/1/0434/7281/4245/files/totekedifitube.pdf
- https://cdn.shopify.com/s/files/1/0441/4029/8392/files/78523746225.pdf
- https://cdn.shopify.com/s/files/1/0440/8170/9206/files/pobejoloxomiwugotulon.pdf
- https://cdn.shopify.com/s/files/1/0436/3993/1033/files/76081788298.pdf
- https://cdn.shopify.com/s/files/1/0432/7063/5678/files/webugekev.pdf
- https://cdn.shopify.com/s/files/1/0438/4253/5581/files/40967732319.pdf
- https://cdn.shopify.com/s/files/1/0434/1504/4252/files/84608279789.pdf
- https://cdn.shopify.com/s/files/1/0435/3330/3976/files/zexedo.pdf
- https://cdn.shopify.com/s/files/1/0436/0631/1070/files/78969272093.pdf
- https://cdn.shopify.com/s/files/1/0434/7386/2821/files/bazitozeb.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/91830118049.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_off000057ed.bin014d30f06d328f89773b6a3438a4a7bc42bfc69d121e77c382f7d0ed0b99ec85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57ED | 5708 bytes |
font_01_sfnt_off00006b81.bin2d35fe1b112251630f6c3e185fb4bf58c6327cea99f60afab3ca0473214b5b30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B81 | 2116 bytes |
font_02_sfnt_off0000754d.bin42053891818d0e53e52ee4a31877815ecec1cc34a24e62e39b74efcaa02da922 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x754D | 15372 bytes |
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