MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, many of which are hosted on unrelated domains and appear to be part of a link farm. The document body, though obfuscated, contains references to 'Akeelah and the bee lesson plan' and the URLs themselves suggest a lure to potentially malicious content. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the suspicious linking behavior.
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://bitcoinminers4sale.net/uploads/1/3/1/4/131437554/131437554.html#akeelah+and+the+bee+lesson+plan PDF link annotation
- http://sidorlando.com/uploads/1/3/1/3/131398583/ef3d9ccc51c.pdfIn PDF document text
- http://1em.undesirable.us/uploads/1/3/1/4/131437348/ba400ce0.pdfIn PDF document text
- http://kingcountymuseum.com/uploads/1/3/1/4/131437312/2996928.pdfIn PDF document text
- http://aquestbegins.prayerknight.com/uploads/1/3/1/6/131606305/6399243.pdfIn PDF document text
- http://warehousesixmusic.com/uploads/1/3/0/5/130589194/3069148.pdfIn PDF document text
- http://thecollecktive.com/uploads/1/3/0/7/130776702/neduz.pdfIn PDF document text
- http://autodiscover.margaretmorrisonhighlanddance.com/uploads/1/3/0/5/130545818/25e9323a46deeb3.pdfIn PDF document text
- http://alianzasvalladolid.com/uploads/1/3/0/2/130287289/pugegamote.pdfIn PDF document text
- http://admin.improvisationacademy.co.uk/uploads/1/3/0/2/130289479/3201116.pdfIn PDF document text
- http://anisahjabar.com/uploads/1/3/0/6/130639624/f7a54c27.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_off00004f79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F79 | 4884 bytes |
SHA-256: b4ded56f3e3e57e5291097a072d7dc5ff6200fc657373faebf7b5970eca5718f |
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font_01_sfnt_off00005ffa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FFA | 10772 bytes |
SHA-256: fc4ac06a120623b07fa883997021c3e666687d73fae0c89fb7f099dfc00385c9 |
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