MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains a large number of external links, many of which are structured in a way that suggests SEO spam or a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, and 'SE_LOLBIN_RUN_COMMAND' suggests that the document may contain instructions for executing commands, potentially to facilitate further malicious activity. The primary lure appears to be 'Ed sheeran perfect duet sheet music', aiming to attract users interested in music.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://growmygardens.com/uploads/1/3/0/5/130590339/130590339.html#ed+sheeran+perfect+duet+sheet+music PDF link annotation
- http://finefurnitureco.com/uploads/1/3/0/7/130740191/pefotuvi-ginamomas-valonebajura-jebekosenabugaw.pdfIn PDF document text
- http://sumitsakhuja.com/uploads/1/3/0/8/130874639/85639f2e8a4c9df.pdfIn PDF document text
- http://oosterhuisphotography.com/uploads/1/3/0/7/130776558/7252f8c442c1f27.pdfIn PDF document text
- http://greenelectrical.org/uploads/1/3/1/4/131453598/5715451.pdfIn PDF document text
- http://riseuptck.com/uploads/1/3/0/7/130738861/57331f2004c.pdfIn PDF document text
- https://musescore.png@180x252?no-cache=1579301697&bgclr=ffffffIn PDF document text
- https://musescoreIn PDF document text
- https://musescore.5In PDF document text
- https://musescore.1000000000000000055511151231257827021181583404541015625},{In PDF document text
- https://musescore.musescore.mid?revision=1519216575&no-In PDF document text
- https://nocdn.com/score/stats/viewIn PDF document text
- https://musescore.05000000000000000277555756156289135105907917022705078125},{In PDF document text
- https://musescore.netIn PDF document text
- https://musescore.05000000000000000277555756156289135105907917022705078125In PDF document text
- https://musescore.0200000000000000004163336342344337026588618755340576171875In PDF document text
- https://musescore.040000000000000000832667268468867405317723751068115234375In PDF document text
- https://musescore.200000000000000011102230246251565404236316680908203125},{In PDF document text
- https://musescore.1In PDF document text
- https://musescore.jpgIn PDF document text
- https://musescore.ultimate-guitar.200000000000000011102230246251565404236316680908203125},{In PDF document text
- https://musescore.com/user/21585386/scores/5634470/piano-tutorial?from=youtube_shareIn PDF document text
- https://musescore.com/user/27943981/scores/4986010/embedIn PDF document text
- https://musescore.com/static/public/img/musescore/piano_rollIn PDF document text
- https://musescore.com/ug/In PDF document text
- https://musescore.com/user/27943981/scores/4986010In PDF document text
- https://musescore.ultimate-guitar.com/user/27943981In PDF document text
- https://musescore.com/user/27943981In PDF document text
- https://musescore.com/sheetmusic/artists/beyonceIn PDF document text
- https://musescore.com/user/21585386\rSupportIn PDF document text
- https://www.com/score/stats/delayed-viewIn PDF document text
- https://musescore.com/static/musescore/scoredata/gen/0/1/0/4986010/e9eb740d89505362c92d7cc018d8f0289f467049/score_0.com/user/27943981/scores/4986010In PDF document text
- https://musescore.openx.netIn PDF document text
- https://musescore.com/static/musescore/scoredata/gen/0/1/0/4986010/e9eb740d89505362c92d7cc018d8f0289f467049/score.com/static/musescore/scoredata/gen/0/1/0/4986010/e9eb740d89505362c92d7cc018d8f0289f467049/score.mp3?revision=1519216575&no-In PDF document text
- https://musescore.com/static/musescore/scoredata/gen/0/1/0/4986010/e9eb740d89505362c92d7cc018d8f0289f467049/score.com/static/musescore/scoredata/gen/0/1/0/4986010/e9eb740d89505362c92d7cc018d8f0289f467049/score_0In 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
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007886.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7886 | 9128 bytes |
SHA-256: 4b438c41fff315b6dde8d9209327dbbef35f52e2f7a000cc79fc78032d5e7da3 |
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