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, with high-severity heuristics indicating it contains a redirector link. The embedded URL `https://laborke.ru/square?utm_term=lime+jello+with+cream+cheese` is flagged as a potential phishing lure. No scripts were extracted, but the overall structure and heuristics point to a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.7691
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://laborke.ru/square?utm_term=lime+jello+with+cream+cheese PDF link annotation
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60edb35a1a2ce466740e1131/1626190682314/tudikeroromijupigurukeki.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ee4215462f394a1e429dd8/1626227221382/how_to_unlock_a_windows_10_laptop_without_password.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e94f242dabf2723555ca68/1625902884988/jumomafubi.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_off0000cc81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC81 | 10564 bytes |
SHA-256: b561a0ed4a74c2c464dfea069a366ea44357b7407f581d0677a96624fb77ab28 |
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font_01_sfnt_off0000e49b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE49B | 16420 bytes |
SHA-256: 2a734b5110c173b522b1f147ae990db76a3ec221821f8f09f1f7681f6e28515e |
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font_02_sfnt_off00010f6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F6A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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