MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URLs, suggesting it's designed to download and execute further malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of many unknown URLs point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://kiofruits.com/admin/uploads/files/43907712801.pdf In PDF document text
- https://turkuazhost.com/calisma2/files/uploads/44054739714.pdfIn PDF document text
- http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/29434740868.pdfIn PDF document text
- http://prasongp.com/file_media/file_image/file/fegunitagavezuguzarevomo.pdfIn PDF document text
- https://nullemont.fr/nullemont/ckfinder/userfiles/files/3123254807.pdfIn PDF document text
- https://sicurezzaips.it/uploads/file/xumafowabadawodu.pdfIn PDF document text
- https://at1apigroup3.com/contents/files/99112154638.pdfIn PDF document text
- https://pointvirgule.ca/upload/editor/file/dedepokuzinovine.pdfIn PDF document text
- http://izeninfo.net/admin/upload/files/sozaw.pdfIn PDF document text
- http://pol2-simf.ru/userfiles/file/40183906904.pdfIn PDF document text
- http://svatba-emi.com/uploads/pages/files/dixasodejivew.pdfIn PDF document text
- https://nslogisticservice.com/userfiles/files/79530168044.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/se5pe12ibisa1t16a51vib0fr1/xinuxosoruruvojanijas.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/varawezifewalefet.pdfIn PDF document text
- http://alatasfilms.gr/ILC/img/file/xedaxelujasopedupapowatoj.pdfIn PDF document text
- http://jump360.co/upload/files/20210913100457.pdfIn PDF document text
- http://wisdomtours.net/upload/file/85460244084.pdfIn PDF document text
- https://linker.tw/files/rupigegorijegitupexigule.pdfIn PDF document text
- http://dytac.hk/userfiles/82917164903.pdfIn PDF document text
- https://otterdisplay.com/userfiles/file/rotemovikigitelodubed.pdfIn PDF document text
- http://c2r.su/uploadfiles/file/2021091321573573499.pdfIn PDF document text
- https://bio-obst-und-gemuese.de/userfiles/file/69267238329.pdfIn PDF document text
- http://mundori.com/js/ckfinder/userfiles/files/77006627234.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=ustream+android+apkPDF link annotation
- 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_off0000b710.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB710 | 15784 bytes |
SHA-256: 86cc5576a888f4e92155770e360f2fc745fb7ec34b15411d9322c2aa4b92becf |
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font_01_sfnt_off0000df47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF47 | 10604 bytes |
SHA-256: b6332479801c88e7274bbac8373dff535e4e6f48741eaf8b952a017945aeb20d |
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font_02_sfnt_off0000f781.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF781 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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