MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of an external URI pointing to 'crewmak.ru' suggests a download or redirection attempt. The 'SE_DOWNLOAD_BUTTON' heuristic further supports the idea that the document is designed to trick users into initiating a download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://crewmak.ru/square?utm_term=past+simple+mixed+exercises+online
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ec806c7e5cd11affccd2e0/1626112108550/68019125421.pdf
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e8f65ac91b61347ea1ce67/1625880154998/forms_of_bind.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60ec8d95f918372873877bab/1626115477684/89193564131.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e76bf54e14410b5d336064/1625779189223/piano_notes_for_perfect.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e92f2d2c5c2f6215c97cb2/1625894701209/41634323856.pdf
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60ec805d0d838b6c850c990d/1626112093677/79068868427.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e8cc41f311dc752b0ad832/1625869377316/56317881628.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ec7122154eb17b68482aa7/1626108194743/what_is_stasis_in_rhetoric.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e7e6ffd56f0f3612717eb3/1625810687730/72161987138.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/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b87c.bincd1c340034f9a6952e173be016d3364198d2e16723a3f6c4be90f14ff515b3e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB87C | 16584 bytes |
font_01_sfnt_off0000e397.bindc1f3e1417ba9db8b095168572ed4470689563cc8668235032618c52f474e77a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE397 | 10776 bytes |
font_02_sfnt_off0000fc63.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC63 | 16792 bytes |
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