MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The sample is a PDF document containing embedded JavaScript, flagged by heuristics as malicious and detected by ClamAV as a phishing trojan. It also contains numerous external URIs hosted on disposable domains, indicating a link farm designed to redirect users to potentially malicious content. The embedded JavaScript likely facilitates the redirection or exploitation process.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
Heuristics 6
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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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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://philabc.ru/uplcv?utm_term=scrum+and+sprint+in+agile PDF link annotation
- http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/58674390072.pdfIn PDF document text
- http://homeopathyhk.com/files/dunik.pdfIn PDF document text
- http://aftp.bg/userfiles/file/gokakebufunupapebade.pdfIn PDF document text
- https://gastriklandsbf.se/UserFiles/files/74690942769.pdfIn PDF document text
- http://wsmr.us/userfiles/file/45930870098.pdfIn PDF document text
- http://monkey-do.net/userfiles/file/74150939982.pdfIn PDF document text
- http://wakabaeducation.com/userfiles/file/xufetutejurakepunimasoror.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/1604329610.pdfIn PDF document text
- http://orkoien.com/userfiles/files/pugivofupefeju.pdfIn PDF document text
- http://wccflooring.com/userfiles/files/gigexogafiwapuxusogoliw.pdfIn PDF document text
- http://gibisch.info/files/files/1218102991.pdfIn PDF document text
- http://nujhimachal.in/img/uploads/files/39486123740.pdfIn PDF document text
- http://piri-piri.pl/ckfinder/userfiles/files/27447399772.pdfIn PDF document text
- http://bearings-home.com/userfiles/file/24968805051.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/05b6e56739860840eae24fe4a79670f8/balez.pdfIn PDF document text
- http://vizugy.hu/uploads/files/files/24088291316.pdfIn PDF document text
- http://rdmsrl.it/userfiles/files/63436696186.pdfIn PDF document text
- http://nato-denkmal.de/uploads/file/33845381712.pdfIn PDF document text
- https://kapefashion.com/files/files/xoboxuditagarusovijawepa.pdfIn PDF document text
- http://asr-net.ru/uploads/files/ratigewivokoweru.pdfIn PDF document text
- http://zhfangyuan.com/uploadfiles/files/61873915114.pdfIn PDF document text
- https://kokomanis.com/contents/files/nonado.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/kejgqkdelpbchteiap1l66qm54/1531210942.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/marevixukisalika.pdfIn PDF document text
- https://chinese-wall.tw/upload/files/76493913443.pdfIn PDF document text
- http://fanta-life.com/userfiles/file/zitugigunuduvomo.pdfIn PDF document text
- https://zemtechnika.lt/public/site/0files/wularojusabodi.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_off0000b7c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7C5 | 16836 bytes |
SHA-256: 61d175adea10fbe293c36858f0931a48cccc75a97484b69f72d976cd909306b3 |
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font_01_sfnt_off0000e2b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B7 | 10912 bytes |
SHA-256: b1c110b88a89936756a3aa21a0a9f6aa4048f12a2ad29723f1a2f141bd01a8c8 |
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font_02_sfnt_off0000fbbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBBD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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