MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is identified as malicious by multiple heuristics and a machine learning classifier, indicating a phishing or trojan delivery attempt. The embedded JavaScript and the document's structure suggest it's designed as a lure, likely to redirect users to malicious sites or download further payloads. The presence of numerous external URIs, many on disposable hosting, reinforces the phishing nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://queure.ru/uplcv?utm_term=perfectly+elastic+products+examples PDF link annotation
- http://capmar.eu/userfiles/file/garipa.pdfIn PDF document text
- https://polytex.de/sites/default/files/79584145116.pdfIn PDF document text
- http://konferencii.org/js/ckfinder/userfiles/files/49338321522.pdfIn PDF document text
- http://freeorden.com/media/file/binod.pdfIn PDF document text
- http://bellina.pl/userfiles/file/kuniperonatiwosa.pdfIn PDF document text
- https://lexcyberia.com/userfiles/files/85869647678.pdfIn PDF document text
- http://spielundlicht.de/content_provider/documents/files/16054000692.pdfIn PDF document text
- http://artpolyclinic.com/file/files/makevumonelijorevefa.pdfIn PDF document text
- http://trevorhannant.com/bujuturajafimidarat.pdfIn PDF document text
- http://serextion2006.com/js/upload/files/6475653872.pdfIn PDF document text
- https://isleo.com/i_photos/file/14819433979.pdfIn PDF document text
- http://gesundimjob.at/images/content/files/1275997909.pdfIn PDF document text
- http://superbarter.sk/media/file/zavovelutowepubiwinimix.pdfIn PDF document text
- http://e-kva.ru/admin/ckfinder/userfiles/files/direm.pdfIn PDF document text
- http://hagelkonzept.de/userfiles/file/watawabunov.pdfIn PDF document text
- http://codienlanhminhquang.com/upload/files/12085976592.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/70379684977.pdfIn PDF document text
- https://riosemarescentrodemergulho.com/ckfinder/files/fizobawu.pdfIn PDF document text
- http://eia-edu.com/userfiles/file/57170992146.pdfIn PDF document text
- http://cinebuzz.be/uploads/userfiles/files/43117874969.pdfIn PDF document text
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/1009623890.pdfIn PDF document text
- http://bkdesign.ee/userfiles/file/71917697159.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_off0000afa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFA6 | 10992 bytes |
SHA-256: 523bab0174b50f59bbada154ec546718fb4c7fd8015195debd18b40408278ef6 |
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font_01_sfnt_off0000c947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC947 | 14316 bytes |
SHA-256: 5fbf6b673fc93ff51c2458aa7e6de9a6fee7991a609521e323c0eec0125f6433 |
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font_02_sfnt_off0000ecfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECFB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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