MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF document that contains a lure designed to trick the user into clicking a link. The heuristic 'PDF_SEO_UTM_REDIRECTOR_LINK' indicates that the link is part of a phishing scheme. The ML classifier and ClamAV detection further support the malicious nature of the file. No scripts were extracted, but the presence of a redirector URL points to a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.7483
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/y83TWYo-3DA/square?utm_term=100+foot+pounds+to+newton+meters PDF link annotation
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ecc56fc6505401f3546c9d/1626129775529/justify_text_bootstrap.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ecc593caf21f280d7d43bf/1626129811849/surafajidojusavofuzomej.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e859a62dfbe912ef9d5cc6/1625840039057/65105711844.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e8ecb583ae0c4902368669/1625877686075/95457192474.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_off0000c7cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7CB | 17564 bytes |
SHA-256: 1f50d78989c09685577bc705c9c16f3d7027a41f447edc8efee810fe8c3d7fb1 |
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font_01_sfnt_off0000f5fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E13 | 10624 bytes |
SHA-256: 2122cd1ad50a74d5c6b92d12fe9fbd94b54e634a4e89db5399f443b41ca190c5 |
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