MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a high-severity heuristic identified an image lure linking to a redirector URL. This suggests the document is designed to trick users into clicking a link that leads to a malicious site. No scripts were extracted, but the presence of a redirector URL is a strong indicator of a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.6359
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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/qQn0o4eTdIQ/square?utm_term=never+mind+in+tagalog PDF link annotation
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60edb8db262c1d4011377bc4/1626192091880/another_word_for_insufficient.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ec8626bdd82073f6ff5523/1626113574443/reported_speech_asking_questions.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60edcfda6f118478735a80f8/1626197978833/army_of_darkness_defense_download.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_off0000e8d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D8 | 18716 bytes |
SHA-256: a4e525c4ba850ccf8f88c7ac4315c2d1d774ad87cdd0b95e406fd503320cc645 |
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font_01_sfnt_off000118de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118DE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000130f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F5 | 10464 bytes |
SHA-256: 6b74fb5f33e14c22a3dc232e1639ae80d86719c8d092b3c1aad6bcaad5ac437e |
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