MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains embedded JavaScript and numerous external URIs, many of which point to disposable hosting and are likely part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The presence of urgency lures and download button text further supports a social engineering attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 8
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crysiq.ru/uplcv?utm_term=spirit+board+apk PDF link annotation
- http://tpokebar.com/uploads/files/tinaraj.pdfIn PDF document text
- http://sakuragiramenandsushi.com/uploads/files/9131972709.pdfIn PDF document text
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/xatilodovukusevomotukasa.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/cb9d24f5fcf04f100677971e742ad4d6/nonupuvolusetu.pdfIn PDF document text
- http://dyglas.com/userData/board/file/79043670721.pdfIn PDF document text
- http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/24778494697.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-9-14/20210914125955622542.pdfIn PDF document text
- https://keiba-like.biz/js/ckfinder/userfiles/files/13271072843.pdfIn PDF document text
- https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/donukesiwazukixisal.pdfIn PDF document text
- http://naim.naparts.com/images/fck/file/98094554594.pdfIn PDF document text
- https://associazionedynamica.it/uploads/file/situgel.pdfIn PDF document text
- http://magdrywall.com/project-new/christianbook/upload_images/file/sojukuvukaruma.pdfIn PDF document text
- https://mallarpurnaisuva.org/go/file/pulidasufog.pdfIn PDF document text
- http://vipdiler.ru/files/file/maniwumas.pdfIn PDF document text
- https://vibangnhadat.com/uploads/files/4966556725.pdfIn PDF document text
- https://www.sterlingsez.com/ckfinder/userfiles/files/pamedigipizosalabuxesasa.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/e243a045b0c062608141826adc585732/10472729994.pdfIn PDF document text
- http://abc-tel.ru/data/File/moxuzal.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/bipixatenimadozavedeb.pdfIn PDF document text
- http://fanghsin.com/uploads/files/202109040017592945.pdfIn PDF document text
- http://bergepkolcsonzo.hu/userfiles/file/27692897425.pdfIn PDF document text
- http://celesteandtorsten.wedding/images/file/pivimetadixoposumipawison.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_off0000d857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD857 | 18964 bytes |
SHA-256: e7df21ed5a25441e7b11294016afdb17c4829ea911ba345dc009506e9ac1301f |
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font_01_sfnt_off00010a61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A61 | 10244 bytes |
SHA-256: 47d8d8fe819a6c7f9d6029a3e5abe8ad1cc129b10e5a6ceee69ada3d341b6c6f |
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font_02_sfnt_off00012143.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12143 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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