MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a redirector to malicious infrastructure, disguised as a study guide. The ML classifier strongly indicated maliciousness. The primary IOC is the redirector URL, which is likely used to serve further malicious content or phishing pages.
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=ccna+cisco+certified+network+associate+study+guide+6th+edition+pdf
- http://wexosir.interactivevideomarketing.net/uploads/1/3/0/7/130775971/029a19b.pdf
- http://files.stephengreiman.com/uploads/1/3/0/7/130740158/d4a134bef.pdf
- http://files.gowenslcsw.com/uploads/1/3/1/4/131438299/juwog.pdf
- http://xapuru.mysuidora.com/uploads/1/3/1/4/131437626/nonumodawizerafos.pdf
- https://cdn.shopify.com/s/files/1/0431/6132/1634/files/netudiworiren.pdf
- https://cdn.shopify.com/s/files/1/0437/6592/3992/files/wogixusulob.pdf
- https://cdn.shopify.com/s/files/1/0437/0612/2393/files/catalog_schneider_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/2754/5763/files/43178366183.pdf
- https://cdn.shopify.com/s/files/1/0441/0481/0648/files/moments_skewness_and_kurtosis_in_statistics.pdf
- https://cdn.shopify.com/s/files/1/0429/8201/5129/files/79656769530.pdf
- https://cdn.shopify.com/s/files/1/0439/3458/0891/files/zonedel.pdf
- https://cdn.shopify.com/s/files/1/0433/7329/7822/files/34618922605.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/xubitamoxip.pdf
- https://cdn.shopify.com/s/files/1/0458/0946/7558/files/www.porno_disku_pardosana.pdf
- https://cdn.shopify.com/s/files/1/0429/9735/0554/files/95576622877.pdf
- https://cdn.shopify.com/s/files/1/0430/7966/3765/files/receiving_clerk_job_description.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_off00008698.binafd42fdf6618c6bc1fa0bb9f655fb251fb0567d6bb2688efed5282d41f25cde0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8698 | 5704 bytes |
font_01_sfnt_off00009a0f.bin14c91ab3f9e18386e3196098ea44a67ffe7f7f6b120488c0870d2125fa5091e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A0F | 10512 bytes |
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