MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of external links, a technique often used for SEO poisoning to drive traffic to malicious sites. The heuristic PDF_SEO_LINK_FARM indicates a mass of external PDF links, and PDF_ACTION_PARSER_EVASION suggests attempts to evade detection. The ML classifier strongly flagged this PDF as malicious. The embedded URLs are likely part of this link farm, aiming to redirect users to potentially harmful content.
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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Clickable PDF combines external action with parser-evasion structure high PDF_ACTION_PARSER_EVASIONPDF has an external clickable URI together with object graph or xref structures that make parsers disagree, such as divergent duplicate objects, parser divergence, or xref offset mismatch. That combination is stronger than a plain link: the document is both an outward-action carrier and a parser-confusion/evasion sample.
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External URI info PDF_URIPDF contains an external URL action
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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://ns2.pleasingfood.com/uploads/1/3/0/5/130541402/130541402.html#marsupials+adaptive+radiation
- http://neurolytics.net/uploads/1/3/0/2/130273610/jutigozaxivono-jesopakuwut-tojozijufani-laloxuv.pdf
- http://betterwithcontxt.com/uploads/1/3/0/2/130287883/1707519.pdf
- http://prestonrealtyllc.com/uploads/1/3/0/6/130604902/josar.pdf
- http://alsboutique.shop/uploads/1/3/0/8/130813416/zegebegipogez.pdf
- http://torontowineevents.com/uploads/1/3/0/5/130539034/wenak-wajeji-sififajog.pdf
- http://modemarketingsolutions.com/uploads/1/3/0/4/130436089/turimowomufik_xatapopimuloxo_miwemusol_xirex.pdf
- http://microsoft-office-365.online/uploads/1/3/0/3/130313383/af269fb7849346.pdf
- http://carmendaughertyphotography.com/uploads/1/3/0/6/130639975/soripufaf.pdf
- http://csgocave.net/uploads/1/3/0/6/130620366/1c3ae82a2c84345.pdf
- http://krugmanwasright.com/uploads/1/3/0/3/130313314/8345876.pdf
- http://orthomfg.com/uploads/1/3/0/6/130603959/jegoraximak.pdf
- http://danielrinaldi.com/uploads/1/3/0/6/130604281/4e22d2ec9.pdf
- http://www.modernalchemydesign.com/uploads/1/3/0/6/130639929/jakekuxonu-baduburi-rupoko.pdf
- http://millerignitesllc.com/uploads/1/3/0/6/130621873/7866236.pdf
- http://it-computing.net/uploads/1/3/0/7/130775201/dotogaxe_nused.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_off0000c910.bin21ab84b6864beab4739dd984c6ef3d0f83d2a6eecb71681d7d941b35737c1493 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC910 | 9072 bytes |
font_01_sfnt_off0000ea43.bin7452b6b49b2d67df973eecb7580c7a2fe344bf55d7b957b3ade50b6969c50269 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA43 | 16068 bytes |
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