MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF document that contains a high-risk heuristic firing for a redirector link, indicating a phishing lure. The ML classifier and ClamAV also flagged it as malicious. The embedded URL points to a redirector which likely leads to a phishing site, a common tactic for credential theft or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.6556
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/~3/1LSSs5qy-i4/square?utm_term=landfill+open+today PDF link annotation
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ec7b1e4a8bde38c343c7ad/1626110750681/use_ira_to_buy_house.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ec7e98c217102653d5b14b/1626111640781/how_to_color_on.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e94e076e267257943c3320/1625902599683/4255691247.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_off0000dc10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC10 | 16944 bytes |
SHA-256: 9d0fbb350e91d262ab86553dbe5d6a52adfa81c6ddbae9d703a0b44550d70b62 |
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font_01_sfnt_off0001087d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1087D | 10296 bytes |
SHA-256: 0e5d181100caa64cfbb44392c1adfd6462a465ccc7f08e4e5ace624e2dbb3923 |
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font_02_sfnt_off00011fc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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