MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing attempt. The PDF contains an embedded URI that acts as a redirector, likely leading to a phishing site. While no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it's designed to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.6911
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/razvivatel/yapz/~3/7R6buoffwiA/square?utm_term=how+to+make+your+freckles+more+noticeable PDF link annotation
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ee0e162485902f3e6f7c90/1626213910231/portraiture_by_angel.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e867fd716a8a49644340d0/1625843709590/nomenclature_review_answers.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60edf96e895aae42f65d1924/1626208623018/double_y_graph.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ede32b6f118478735c92f1/1626202923941/tadubikoperumaroxupude.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_off0000c64a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC64A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000de5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE5C | 16244 bytes |
SHA-256: ce00304421f340c76ac99af0e3af9fa52694d8f57a8e1e4ab813c6cdf0a0a6da |
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font_02_sfnt_off00010779.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10779 | 11020 bytes |
SHA-256: e1f8eea1e2c0caf59d75d366613678c3677040e8edb6c24b5d4c5f305d1e9aa9 |
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