MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to numerous distinct hosts, one of which is a PDF hosted on schokofontaenen.de. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and detection strongly suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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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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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 http://schokofontaenen.de/idata/7175367561.pdf In PDF document text
- https://kurishupally.org/userfiles/file/28117129734.pdfIn PDF document text
- http://crestviewshopping.abwingsmd.com/uploads/files/96671235958.pdfIn PDF document text
- http://ajk-opakowania.eu/upload/fck/file/wafubirurogogawad.pdfIn PDF document text
- http://odesignlab.ru/admin/ckfinder/userfiles/files/xifopesasem.pdfIn PDF document text
- http://cukrarska-vyroba.cz/UserFiles/File/nopafagotipakawoparapo.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/161362d4a3ee78---80951446299.pdfIn PDF document text
- https://mimpishio1bet.net/contents/files/viravowaditonu.pdfIn PDF document text
- http://uforoi.com/app/webroot/uploads/files/siwonepazowobomuvop.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/a5hn50pjbod5kugkdbokjoitv1/fiwofoxegibuvati.pdfIn PDF document text
- https://taipeitccia.org/CKEdit/upload/files/46917644830.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/wowab.pdfIn PDF document text
- http://noavarservice.com/ckfinder/userfiles/files/38120183075.pdfIn PDF document text
- http://bige.vn/uploads/userfiles/file/90341659993.pdfIn PDF document text
- https://perfecthospitals.org/ckfinder/userfiles/files/nusotaru.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/ferogavurenirizufesotag.pdfIn PDF document text
- http://frickcontrols.com/uploads/files/mozuxumufabulegamejik.pdfIn PDF document text
- http://ridendo.cz/files/file/48042671285.pdfIn PDF document text
- http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gepigulurenexeresobade.pdfIn PDF document text
- https://hoangphatdanang.xetnghiemadndanang.com/uploads/image/files/29464962627.pdfIn PDF document text
- https://mgrenginiai.lt/ckfinder/userfiles/files/21610601466.pdfIn PDF document text
- http://jljemc.com/upload/files/9009620292.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=unblock+messages+androidPDF 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_off0000e50d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE50D | 17600 bytes |
SHA-256: a0e3b562c0a3f5993d2e0991216e21d6ef37758f096fc8d863fa1928fa207704 |
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font_01_sfnt_off00011287.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11287 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A9E | 10852 bytes |
SHA-256: 58ed891c89fc5df4954d21c4b431c4f34cf2624f27017e0f455cc2f7f9b92983 |
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