MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a heuristic firing indicating it's a lure for free downloads, redirecting to an SEO redirector. The embedded URL 'https://inwebjor.ru/square?utm_term=loss+of+smell+good+sign' is identified as a phishing attempt. While no scripts were explicitly extracted, the nature of the PDF and the detected redirector strongly suggest a phishing attack pattern, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.7691
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://inwebjor.ru/square?utm_term=loss+of+smell+good+sign PDF link annotation
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e8df29fc46b15058248e7e/1625874217276/when_i_sixty_four_beatles.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ec78c2fd54eb070824ae11/1626110146654/71036140682.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e93ce1566ded7d61ad9b07/1625898209213/digital_electronics_mcq_questions_with_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_off0000cd70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD70 | 16688 bytes |
SHA-256: 6541b00192cb1ca54f3891da701657fbf182427089c931ac812400802b7b0b42 |
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font_01_sfnt_off0000f89f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF89F | 10292 bytes |
SHA-256: 56333ebb8789a47343964c8a3e53f4002cf803cef9e563cecdc86a1d6ee18c52 |
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font_02_sfnt_off00010f7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F7C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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