MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of external links, identified as a link farm, suggesting a tactic to manipulate search engine results or redirect users to malicious content. The ML classifier strongly indicated maliciousness. No scripts were extracted, and the document body was heavily obfuscated, preventing a deeper analysis of the specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://josephsgumboday.com/uploads/1/3/1/3/131379789/131379789.html#hr+function+pdf PDF link annotation
- http://cartooneducation.com/uploads/1/3/0/7/130739904/gafilon.pdfIn PDF document text
- http://webmail.la-rocca.org/uploads/1/3/0/4/130436410/e2b8acf3049d.pdfIn PDF document text
- http://1schoolsystem.com/uploads/1/3/0/2/130271124/butekomuxobubolebi.pdfIn PDF document text
- http://riverrockglassstudio.com/uploads/1/3/0/5/130550910/zudogeme_kupan_zorepijebe.pdfIn PDF document text
- http://valusfitness.com/uploads/1/3/1/4/131483200/e81232b02a1f029.pdfIn PDF document text
- http://thisoklahome.com/uploads/1/3/0/4/130491599/495807.pdfIn PDF document text
- http://serendipityinteriordesign.com/uploads/1/3/0/5/130590139/lotekivimimawu-gubuvo-powukagodi.pdfIn PDF document text
- http://sachikowillis.com/uploads/1/3/1/6/131606588/df4f7f044c5e.pdfIn PDF document text
- http://ssicards.org/uploads/1/3/0/6/130605325/wagesa.pdfIn PDF document text
- http://sydney.awrc.org.au/uploads/1/3/0/6/130604355/7b593c1.pdfIn PDF document text
- http://oportoforever.com/uploads/1/3/0/3/130323727/nidozaputasimuke.pdfIn PDF document text
- http://mfgcsi.com/uploads/1/3/1/6/131607486/tisupuz-xasuvivowuvemug-webevuf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000072ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72ED | 4452 bytes |
SHA-256: 301fd7871a0f1df43e41e606a5e50659363936594d036c1cf4b0528953a22f07 |
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font_01_sfnt_off00008209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8209 | 10852 bytes |
SHA-256: e754171396ba67c4f067e3bf8f6215b026fabc0caf18d3324c4452b59a011ce8 |
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