MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier. It contains a high-severity heuristic indicating it uses an SEO redirector link, disguised as an image, to lure users. This suggests a phishing or social engineering attack. No scripts were extracted, but the presence of a redirector URL is a key indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.5817
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://feedproxy.google.com/~r/razvivatel/yapz/~3/pL_UGxDroB4/square?utm_term=david+by+michelangelo+meaning PDF link annotation
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e92c6b58c6623f03829f33/1625893995448/sivemalidagofogolufejalij.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ec7b0ff89f8e700bf68f77/1626110735827/74959214595.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ec83bf82b4c978cf41b808/1626112959542/free_vogue_template.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ec7a99e94d7a30e0546b3e/1626110617251/338151349.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_off0000f009.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF009 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010820.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10820 | 10772 bytes |
SHA-256: 5987065c0f41d116a361e55cc2c7705940ce6b52e8cb75eb03a813a7e404d9ff |
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font_02_sfnt_off00012080.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12080 | 15900 bytes |
SHA-256: 3de85dfdf37898192b00184dec0a01bfa929c0c9810cb9f00af21eb14d2bca39 |
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