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. It contains numerous external URIs, with one heuristic specifically identifying it as a link farm on disposable hosting, suggesting a phishing or malware distribution lure. The PDF structure and embedded links point towards a spearphishing attachment delivery method.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://crewmak.ru/uplcv?utm_term=letra+de+paranoid+android PDF link annotation
- https://rarahil.org.np/ckfinder/userfiles/files/56207674245.pdfIn PDF document text
- http://impactpluslearning.com/ckfinder/userfiles/files/77607611140.pdfIn PDF document text
- http://telecycling.org/files/file/tatiwirovegiduse.pdfIn PDF document text
- http://sharon-barron.com/userfiles/files/punik.pdfIn PDF document text
- https://thuaphatlaihanoi.net/uploads/files/92816233091.pdfIn PDF document text
- https://huaku3c.tw/uploads/files/202109131802558926.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/newevopevavosafozozar.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16137ada1ea7be---zinef.pdfIn PDF document text
- https://izyskately.ru/foto/ck/files/dukow.pdfIn PDF document text
- http://terredellamagnagrecia.com/userfiles/files/mobibixenotizobexufepusem.pdfIn PDF document text
- http://hidramaco.com/files/files/37673837912.pdfIn PDF document text
- https://energiadirect.pl/application/resources/ckfinder/userfiles/files/88051403727.pdfIn PDF document text
- https://bjjewels.net/nbloom/fckuploads/file/51871249902.pdfIn PDF document text
- https://kattliv.com/kattliv/admin/userfiles/file/84798201862.pdfIn PDF document text
- http://feminella.ro/upload/fck/10190635276.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/vavifa.pdfIn PDF document text
- http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xalowezalawefam.pdfIn PDF document text
- https://brawlcall.com/ckfinder/userfiles/files/73900242599.pdfIn PDF document text
- https://blueparadise.pl/userfiles/file/67737062438.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161377bbf52fc9---41544871772.pdfIn PDF document text
- http://aranysolyomfeszke.hu/editor_up/15164786440.pdfIn PDF document text
- http://meditopthailand.com/file/64930601602.pdfIn PDF document text
- http://lambanghieuquangcaogiare.net/vietkiendo/upload/file/bitonunuriwikabizevero.pdfIn PDF document text
- http://quangphong.vn/uploads/image/files/26659402407.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_off0000c82a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC82A | 20404 bytes |
SHA-256: 5bb0d71f17c1dc39cddc881e4c8ec01456269c7cd5b234515d2236fb0512fb3f |
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font_01_sfnt_off0000fcc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC6 | 10128 bytes |
SHA-256: 4a4eb8b708768b5da789d30de490ef916e1f5b03f77e51fb2b4228089fab397a |
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font_02_sfnt_off00011372.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11372 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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