MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF document that contains a heuristic firing for a "free-download phishing" lure, redirecting to a URL. The ML classifier and ClamAV also flagged this file as malicious. While no scripts were extracted, the PDF structure and the presence of a redirector URL strongly suggest a phishing attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.7788
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/sq/ugae/~3/IdU8rIDf9lQ/square?utm_term=pasco+county+florida+tax+assessor+property+search PDF link annotation
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ee68ad8685745b7d17a305/1626237101781/importance_of_dussehra_in_english.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ee7d891f51426150d0a6d8/1626242441211/why_does_cricket_make_noise_at_night.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec95203080d76c7a523597/1626117408170/81560676168.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_off0000c2ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2BA | 16700 bytes |
SHA-256: e1971a621ee1e5a107da02afc4f4c8f1557ca9d8390baa3eebce7f1e62096241 |
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font_01_sfnt_off0000ee69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE69 | 11036 bytes |
SHA-256: c764527fc4dfde19f6372d56e0699e8be6beba222d5ac2378fea81560a4c0418 |
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font_02_sfnt_off0001081a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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