MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF document flagged as malicious by ClamAV and an ML classifier. It contains a high-severity heuristic indicating an image lure linking to an SEO redirector, specifically 'https://crewmak.ru/square?utm_term=etching+in+malay'. This suggests a phishing attempt, likely to trick users into downloading further malware or submitting credentials. No scripts were extracted, but the PDF structure and external URL point towards a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.6166
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=etching+in+malay PDF link annotation
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60eca48de0ada229be5a0472/1626121357705/40000603984.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec92d451a87c5d75ad245a/1626116821026/35543748396.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ed9b0f5dd1eb1c29067bfc/1626184463829/theological_themes_in_the_bible.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ee066d1f6a951228742385/1626211949853/28633867377.pdfIn 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2EC | 10252 bytes |
SHA-256: a67207e7e52c999d6be8619bb9e4a6ee30f7506425c743f766b1946a87bd807f |
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font_01_sfnt_off0000e9b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B5 | 17316 bytes |
SHA-256: 1a41a6194dc79ab93d4c55ec75461e25fc779b0593f350e2efd5b9e4a5817989 |
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font_02_sfnt_off000116d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116D1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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