MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to potentially malicious domains. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a high likelihood of this document being used to distribute malware or conduct phishing by directing users to a large number of disposable links. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161338412e99a4---gonopabe.pdf In PDF document text
- http://erh-hu.com/userfiles/file/67613397149.pdfIn PDF document text
- http://synphabase.ch/upload/file/56330802257.pdfIn PDF document text
- https://amd-export.com/site/upload/file/zegepumos.pdfIn PDF document text
- http://montpellier-businessplan.eu/mbp/upload/images/images/upload/ckfinder/43612481342.pdfIn PDF document text
- https://zmiz.hr/userfiles/file/88365122476.pdfIn PDF document text
- http://assessmentinsight.com/ckfinder/userfiles/files/tifukidamomole.pdfIn PDF document text
- http://vitacanes.com/uploads/files/zisazefabuzoti.pdfIn PDF document text
- http://vonschickenconcord.com/uploads/files/70361596627.pdfIn PDF document text
- http://ankaser.com/userfiles/file/5658222950.pdfIn PDF document text
- https://loyalangkorapartment.com/userfiles/file/65945254779.pdfIn PDF document text
- http://www.sauminandy.com/fckimages/file/20967208927.pdfIn PDF document text
- http://hotechike.com/files/files/67760146180.pdfIn PDF document text
- https://art4you.sk/editor_uploads/system/files/94362561302.pdfIn PDF document text
- http://primaria-ciocirlia.ro/media/file/97387418097.pdfIn PDF document text
- http://mya1fc.com/files/ckuploads/files/xatanopofowawewisegit.pdfIn PDF document text
- https://nichecnk.leaddeehub.com/userfiles/files/wovexo.pdfIn PDF document text
- http://thrifthelp.com/flash/thrifthelp.com/file/47536218906.pdfIn PDF document text
- http://esistore.be/userfiles/file/xepoworusetifixogasoja.pdfIn PDF document text
- https://all-stage-meditation.tw/uploads/files/61350791c5317.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613964749a2ca---19581620848.pdfIn PDF document text
- http://hasomedia.com/userfiles/file/36821709250.pdfIn PDF document text
- https://duragloss.pl/userfiles/file/fejumonifojun.pdfIn PDF document text
- https://www.wizzfizz.com.au/application/third_party/ckfinder/userfiles/files/zesojinonosegekejolo.pdfIn PDF document text
- https://chachachat.info/js/ckfinder/userfiles/files/8478445852.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+use+google+chat+on+android+phonePDF 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_off0000dd58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD58 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f56a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56A | 17320 bytes |
SHA-256: 1e1c47c0b38fb852ea420a106fd4e215526968b7ddb9d0c372f5c47f0515c132 |
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font_02_sfnt_off0001226d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1226D | 10968 bytes |
SHA-256: f62b9532b905940a74447b83c2463d1337e8ba245b942992293e4618cd4e8229 |
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