MALICIOUS
76
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded URI pointing to a Google Feedproxy URL, which in turn redirects to a Squarespace hosted PDF. While the URLs themselves are currently classified as benign, the presence of an external link within a PDF, coupled with a high ML classifier score, suggests a potential phishing or social engineering attempt. No scripts were extracted, limiting further analysis of the document's behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.6304
Heuristics 4
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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/J-SxIuB37Ms/square?utm_term=mole+concept+based+questions PDF link annotation
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ecad2044349d7bb0705a3b/1626123552858/two_storey_house_building_cost.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e95d0f19a9f87deb749c89/1625906447154/dry_gallons_to_cubic_yards.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e7a79fbab06216133575c9/1625794463175/dizziness_that_comes_and_goes.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e8036efdc75e32ab092d03/1625817966821/xopolozomovuwaxotozoto.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_off0000e862.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE862 | 18788 bytes |
SHA-256: 94dca730870540c501019b2e39d2932511d6970ac72c84c6d72fa85abcf4fb9e |
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font_01_sfnt_off00011aba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ABA | 10784 bytes |
SHA-256: d0a3dae3a1683a933ecaed9232ee4386c361d4ad8de2525c8d24c4f5b79c0899 |
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font_02_sfnt_off00013339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13339 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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