MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains heuristics indicating it is a phishing lure, specifically using an image to redirect the user to an external URL. The embedded URL points to a Google feedproxy, which is often used as a redirector for phishing or malicious content. While no scripts were directly extracted, the nature of the PDF and the detected phishing redirector suggest an attempt to lure users to a malicious site, likely for credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.6359
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/gOBB6uaVNRA/square?utm_term=starting+strawberries+from+seed PDF link annotation
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e93ebcb10b9b33fa98a139/1625898684470/monofolukina.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60efe0168fff8309feb85003/1626333206488/getiwegorunodikimikedap.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f006ccfc6647025a374bda/1626343117062/find_the_square_root_of_each_of_the_following_numbers_by_division_method.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_off0000eea0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000106b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B7 | 10952 bytes |
SHA-256: cb51d98788b7c04ffe168c96907c3f5ee1ffcbdad999ea47c4aa473e47a02e9d |
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font_02_sfnt_off00011fec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FEC | 17480 bytes |
SHA-256: 8639fa20b822e0f7f37a55f5f0e59f57feb3e9ea82c73dc3531dc9220954c00d |
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