MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm on disposable hosting, with numerous embedded URLs pointing to potentially malicious content. The presence of external URIs and the link farm behavior suggest a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://asremajazi.com/uploads/files/winosugozufilumijedozufo.pdf In PDF document text
- http://zatuchlina.cz/upload/file/12786071910.pdfIn PDF document text
- http://studiosantese.eu/userfiles/files/20567694994.pdfIn PDF document text
- http://seosanhrd.com/userfiles/file/niparevakijupimizus.pdfIn PDF document text
- https://oreopay57.com/ckfinder/userfiles/files/wajoxunevexusoketat.pdfIn PDF document text
- http://meyanko.com/userfiles/file///56857352003.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/59059191075.pdfIn PDF document text
- http://studiozoppini.com/userfiles/files/33484875873.pdfIn PDF document text
- http://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/52292150666.pdfIn PDF document text
- https://uzmanwebci.com/calisma2/files/uploads/55281487220.pdfIn PDF document text
- https://ateliersmq.com/pevron/www/img/file/53996699929.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/4262df256b6d1c43a5a0b06189573bde/53776053861.pdfIn PDF document text
- https://dcimx.com/files/xejulabubagebegavodeja.pdfIn PDF document text
- https://repare-ton-smartphone.com/userfiles/file/bizebazifusoboloxokel.pdfIn PDF document text
- http://rosabaum.de/web/editor/files/10584462729.pdfIn PDF document text
- https://xn--hjrnskadeakademien-mtb.se/userfiles/file/15043762633.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f23a53780---wamagupeziwe.pdfIn PDF document text
- https://flammerouge.ch/userfiles/files/vivadafeluzeg.pdfIn PDF document text
- https://gyvatukai.manovonia.lt/images/files/robimeputod.pdfIn PDF document text
- http://nhatnguyen.vn/media/ftp/file/4607232779.pdfIn PDF document text
- https://emenu.hu/editor_up/47506230274.pdfIn PDF document text
- http://ttccid.com/userfiles/file/97197610920.pdfIn PDF document text
- http://pension-erlkoenig.de/img/editor/file/tadarorovofe.pdfIn PDF document text
- http://laserinnsbruck.com/static/35280985645.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=office+exchange+loginPDF 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_off0000da97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA97 | 17696 bytes |
SHA-256: b3c699c56ae06d4045bf28ef47b11141a8907d40a33b360ddf18ef093a5f69d8 |
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font_01_sfnt_off0001090f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1090F | 10376 bytes |
SHA-256: 8a78ee2ea4af71f95e61d0cd08e66c9bbd6e8ef8233916fe35f65727c4871864 |
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font_02_sfnt_off0001207f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1207F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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