MALICIOUS
104
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 domains that appear to be part of a link farm. The document itself is disguised as a guitar chords chart, likely to entice users to click on the embedded malicious links. The heuristic 'PDF_SEO_LINK_FARM' strongly indicates this malicious intent. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://tdpaddamsfamily.org/uploads/1/3/0/2/130271161/130271161.html#guitar+bar+chords+chart+pdf PDF link annotation
- http://orderingrxlensesonline.com/uploads/1/3/0/2/130288326/824059.pdfIn PDF document text
- http://bournemouthmascots.co.uk/uploads/1/3/0/3/130324112/0c31fb40.pdfIn PDF document text
- http://3axisphotography.com/uploads/1/3/0/5/130540926/773435.pdfIn PDF document text
- http://thequickfox.net/uploads/1/3/0/7/130739742/8772989.pdfIn PDF document text
- http://kelleyandgeorge.com/uploads/1/3/0/7/130775198/givivu-mezubavagi.pdfIn PDF document text
- http://brainbrandllc.com/uploads/1/3/0/7/130739817/4557845.pdfIn PDF document text
- http://darisayrealestate.com/uploads/1/3/0/2/130289333/gabirapamejumo_tewezusufebovag_danejapi.pdfIn PDF document text
- http://dominionmusicgroup.com/uploads/1/3/0/5/130590224/xawavefoserutul.pdfIn PDF document text
- http://2zm.undesirable.us/uploads/1/3/0/5/130550910/6938965.pdfIn PDF document text
- http://shawnemay.com/uploads/1/2/9/3/129354459/129354459.html?imageIn 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_off00005aa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AA6 | 5040 bytes |
SHA-256: 3ea0ab9f37dbf7c6ae97529f0534fb92fefad438f57072cbac69378eedf68945 |
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font_01_sfnt_off00006bd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BD2 | 10316 bytes |
SHA-256: 7fb313620383cc927538a4f25651bb4e520615c0bd1a370aae9e3925a96561db |
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