MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a link to known malicious redirector infrastructure, and another identified a PDF link farm. These findings suggest the document is designed to lure users to malicious sites. No scripts were extracted from this sample.
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/wb?keyword=sc%20caste%20list%20in%20bihar%202016%20pdf#sc+caste+list+in+bihar+2016+pdf
- http://files.ki4life.com/uploads/1/3/2/6/132695356/7203048.pdf
- http://files.nfatuated.com/uploads/1/3/1/3/131380592/6814615.pdf
- http://files.bighamconsulting.co.uk/uploads/1/3/1/4/131483356/nebib_jotizadesasuvid_tetuv.pdf
- http://files.divine-wellness.org/uploads/1/3/1/4/131409822/bcb1c602.pdf
- http://files.the608store.com/uploads/1/3/0/7/130776229/retidikebex_rijebo.pdf
- http://files.saleskoch.com/uploads/1/3/0/8/130814190/vuvagevewako.pdf
- http://files.cameliascanlon.com/uploads/1/3/1/1/131163865/semuvevusufudo.pdf
- http://files.radioramadhan.scot/uploads/1/3/2/6/132683218/805714.pdf
- http://files.calvarybaptistemporia.org/uploads/1/3/2/8/132815388/917e46d0.pdf
- http://files.shoggothkinetics.com/uploads/1/3/1/4/131452826/ditapikopakev-gutafepawekunem-kikidibituzi-wakovovojasug.pdf
- https://bemafoxafo.files.wordpress.com/2020/06/gafugotigozoxu.pdf
- https://kikinanatus.files.wordpress.com/2020/07/zakosekepino.pdf
- https://mijukuwojaw.files.wordpress.com/2020/06/dametidabaxifiretumise.pdf
- https://megazotawulo183772260.files.wordpress.com/2020/06/50244884031.pdf
- https://relininomovu.files.wordpress.com/2020/06/vatawipowilaxo.pdf
- https://nadolafulon.files.wordpress.com/2020/06/88751651406.pdf
- https://sedejonuwu.files.wordpress.com/2020/06/sitovilekubaguvugemobuz.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_off000098d1.binc256589c7bfd3003f2983ca1a143328ac2d460b47807a67b452e2bcdbb6ec4eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98D1 | 5644 bytes |
font_01_sfnt_off0000abdf.binfbc4ac9ae9295a5568ee6f129b2c7a851d8b4800bfb7849dcf03ae19a5532118 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABDF | 10380 bytes |
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