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. It contains numerous embedded URLs pointing to external resources, indicating a phishing or malware distribution attempt. The PDF structure and embedded links suggest it's part of a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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://h027.hosannakorea.net/sa_upload/userfiles/file/20211023122301.pdf In PDF document text
- https://vhssirimpanam.org/ckfinder/userfiles/files/rumanepifu.pdfIn PDF document text
- https://kemxoi.vn/app/webroot/files/images/pages/files/14085372213.pdfIn PDF document text
- http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/57509987359.pdfIn PDF document text
- https://vilnius.cvzona.lt/resources/img/files/71736380771.pdfIn PDF document text
- https://delaneyllc.com/ckfinder/userfiles/files/6244160376.pdfIn PDF document text
- https://wonwon.taipei/photo/file/74145510809.pdfIn PDF document text
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/mekalagizubejal.pdfIn PDF document text
- http://resetimpianti.it/reset/public/file/32298553629.pdfIn PDF document text
- http://gerastar.com/userfiles/file/pasinagovelibawuluwenor.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1614e4f0add31c---wazunutibuwuxilarefipotoz.pdfIn PDF document text
- http://ytovietnam.net/ckfinder/userfiles/files/63627875430.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/sober.pdfIn PDF document text
- http://www.neoneofitou.com/ckfinder/userfiles/files/2122677032.pdfIn PDF document text
- https://tedvandergulik.nl/userimages/file/mesudolefonetivuk.pdfIn PDF document text
- https://gagiongvitgiong.com/ckfinder/userfiles/files/pogajifodakanefega.pdfIn PDF document text
- http://szyqjsj.com/UploadFile/file/20211019222223730.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/7096488951.pdfIn PDF document text
- https://ylwlgwadmin.ylwl.cn/upload/files/57346895543.pdfIn PDF document text
- http://winhazel.com/indigo/ckfinder/userfiles/files/fopuxefoxilokexopudijixe.pdfIn PDF document text
- http://soleilboo.com/images/uploads/files/rivagozetiwuku.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161563f7a29d1f---84474215730.pdfIn PDF document text
- https://bishopsalamatkhokhar.org/userfiles/file/21308081063.pdfIn PDF document text
- https://bonvoyageindia.in/ckfinder/userfiles/files/72407717050.pdfIn PDF document text
- https://digireg.lu/upload/widasifupazo.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/litojinuxusimekitubebo.pdfIn PDF document text
- https://tomaszbizon.pl/web/uploads/files/14139381628.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/5bhJmFgkeCE/uplcv?utm_term=find+the+missing+term+in+the+proportionPDF 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_off0000c4e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4E9 | 18508 bytes |
SHA-256: 511e06c28c5da529508aed035d92a0c021d50648f01fff1401df416a20609705 |
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font_01_sfnt_off0000f55f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF55F | 10608 bytes |
SHA-256: d9ad70f26f821e1b6afaa7b9560250bc9269e3d333586f05506d23c4eda785ad |
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font_02_sfnt_off00010d1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D1E | 16540 bytes |
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef |
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