MALICIOUS
106
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains heuristics indicating it is a phishing lure, utilizing an external URI that functions as an SEO redirector. The ClamAV detection further supports its malicious nature. The primary attack vector appears to be a phishing attempt disguised as a free download, leading to a malicious URL.
Machine Learning
- Nyx PDF Classifier clean score 0.0592
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/razvivatel/yapz/~3/1LSSs5qy-i4/square?utm_term=emerson+leaves+of+grass PDF link annotation
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e79247872c4c6263c08b29/1625789000039/32403907124.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e86e4d419c280ea9acb5c4/1625845325668/animal_farm_by_george_orwell_questions_and_answers.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_off0001fbd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FBD9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000213eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x213EB | 17464 bytes |
SHA-256: 82228391d293ce0fbbf208ceebd2c99ac20c027487ca942a9524f4200e1cc40c |
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font_02_sfnt_off000240c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x240C1 | 10416 bytes |
SHA-256: 7f51c413dd4b817b95b37e8e92c53939fb30dc4e27406a15fd1ca91f59f99788 |
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