MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm with numerous external URIs pointing to disposable hosting, suggesting a phishing or malware distribution scheme. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically flags the document's structure as a non-clustered link farm on disposable hosting, reinforcing the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 https://laborke.ru/uplcv?utm_term=the+castle+streaming PDF link annotation
- http://visit-pune.com/userfiles/file/15325564693.pdfIn PDF document text
- http://budaikepkeret.hu/uploads/file/rolugegikukudosewexinubor.pdfIn PDF document text
- https://habibitours.org/ckfinder/userfiles/files/38243443115.pdfIn PDF document text
- https://dongciao.com/uploads/files/202110030043335278.pdfIn PDF document text
- http://cleversystems.ru/userfiles/file/51531938354.pdfIn PDF document text
- http://rkenterprisesonline.com/FCKeditor/file/zujino.pdfIn PDF document text
- http://kargo-box.com/uploads/files/tebajusomagezilag.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/zemozelegunuvovalago.pdfIn PDF document text
- http://st-ark.it/userfiles/files/10017071499.pdfIn PDF document text
- http://bollnas.boj.se/uploads/userfiles/files/fapuwawimidozaxaru.pdfIn PDF document text
- http://irinka.org/ckfinder/userfiles/files/ropatuvubotinafozetanuri.pdfIn PDF document text
- http://architettorobertafasola.eu/userfiles/files/komeletowe.pdfIn PDF document text
- http://mawarids.org/mpfiles/file/91925443135.pdfIn PDF document text
- http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/96203286509.pdfIn PDF document text
- http://ventexevent.se/uploads/file/gepufuluf.pdfIn PDF document text
- http://robertoantoniz.com/resources/original/file/12249489930.pdfIn PDF document text
- http://arcomproltd.com/userfiles/file/masogotunefamob.pdfIn PDF document text
- http://tndgdemo2.com/ckfinder/userfiles/files/65143296174.pdfIn PDF document text
- http://tele-klass.ru/i/upload/files/41889584149.pdfIn PDF document text
- https://bikidi.com/UpFiles/WebEditorFiles/file/rixekasu.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/a577e58a650c5bc7e19128c9c223de01/19350858390.pdfIn PDF document text
- https://limpiezasinasel.com/userfiles/files/29499075926.pdfIn PDF document text
- http://mengnuanua.com/app/webroot/files/files/rofamuvovigafodinubi.pdfIn PDF document text
- http://kyea.org/imageuploads/19359644463.pdfIn PDF document text
- http://pointerboards.com/uploads/admin/files/82278249991.pdfIn PDF document text
- http://safaraval.com/basefile/safaravalcom/files/39378906896.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_off0000c77a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC77A | 16648 bytes |
SHA-256: 5e2dbca9cd5431f97d6d7f90901e1468de3a262416c705f8383bc4b7600d0efe |
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font_01_sfnt_off0000f202.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF202 | 10520 bytes |
SHA-256: 087619e22a22d9c6619db9d70e3acc6c70aba1369b479f9237876f4119b26abd |
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font_02_sfnt_off000109c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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