MALICIOUS
76
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by an ML classifier as malicious. It contains an embedded URI pointing to a Google feedproxy URL, which itself redirects to a Squarespace domain. While the URLs themselves are currently classified as benign, the ML detection and the presence of an external URI suggest a potential phishing or scam attempt. No scripts were extracted, limiting further analysis of the attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.6166
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/gOBB6uaVNRA/square?utm_term=evaporator+core+replacement+cost PDF link annotation
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60ec80553a853d606aec1b99/1626112085139/makakagigomufotar.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e7c64fa3609a707bab1ac1/1625802319818/persona_5_teacher_answers.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e860025c7eaa3cf1e4b160/1625841666413/kill_the_lights_and_touch_my_body.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60e842848c62796cdc6ae690/1625834116607/positive_thoughts_for_negative_thinkers.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_off0000d335.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD335 | 10492 bytes |
SHA-256: 528d16b500b128aed4b2adc5e847da2be2e24d064686b3e4885f72bd80d1104c |
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font_01_sfnt_off0000eb20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB20 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010332.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10332 | 16672 bytes |
SHA-256: 8938995ded914e75bb8436e8faa77b00b692623e93c035b3fcd0dd474e38ab6c |
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