MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which are hosted on disposable domains and appear to be part of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to trick users into downloading a secondary payload. The presence of embedded URLs and the heuristic 'PDF_RANDOM_URL_LINK' suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://pistant.ru/uplcv?utm_term=things+to+put+in+a+minecraft+house PDF link annotation
- http://handsonmontessoripk.com/userfiles/files/bomobivifabexuxibomemew.pdfIn PDF document text
- http://aldobini.it/userfiles/files/83548904466.pdfIn PDF document text
- http://5m-tti.com/uploads/image/files/vigetuvufubitanem.pdfIn PDF document text
- https://alrukn.co/userfiles/files/jadakemonaviwewej.pdfIn PDF document text
- https://beyondpins.com/calisma2/files/uploads/pazatekuli.pdfIn PDF document text
- http://cu-mbc.com/ckfinder/userfiles/files/zanafi.pdfIn PDF document text
- https://aspirecambodia-edu.org/userfiles/file/42746566950.pdfIn PDF document text
- http://ck-buhgalter.ru/userfiles/file/dugekufuv.pdfIn PDF document text
- https://kheops-so.fr/ckfinder/userfiles/files/94272109717.pdfIn PDF document text
- http://petswithlove.com/cvsprojects/SSK/Source/2.0.0/images/files/2165040727.pdfIn PDF document text
- http://elisa5888.com/shopadmin/upload/files/46208203595.pdfIn PDF document text
- http://vouchertiket.com/airplane/ckeditor/uploads/files/fawipepogekufikoworogale.pdfIn PDF document text
- https://ebus.myskoolapp.com/FCKeditor/FCKimgUpload/file/32029775247.pdfIn PDF document text
- http://hanasushimenifee.com/uploads/files/tufevusa.pdfIn PDF document text
- http://taihegas.com/filespath/files/20210909055003.pdfIn PDF document text
- http://kingsfinancialconsulting.com/userfiles/file/tefer.pdfIn PDF document text
- http://shqinze.net/admin/upimg/file///zurumaxeke.pdfIn PDF document text
- http://alconsprom.ru/ckfinder/userfiles/files/fibatakowexaxekimavibi.pdfIn PDF document text
- https://dafelia.com/files/tiputunuvafunugewovuke.pdfIn PDF document text
- http://www.catedralirodahaz.hu/data/editorfile/14077358947.pdfIn PDF document text
- http://scsychem.com/upload/files/pupilofofamukav.pdfIn PDF document text
- https://ekinyalitim.com/depo/sayfaresim/file/tufexatukegisukimoxudude.pdfIn PDF document text
- http://ambulatorioveterinariosanfrancesco.com/userfiles/files/visavekikemamow.pdfIn PDF document text
- https://hahapediatric.com/uploads/files/202109081554411466.pdfIn PDF document text
- http://hb1004.com/userData/board/file/43141153692.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb578bb1d9---lekumid.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_off0000d3bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3BF | 17300 bytes |
SHA-256: cb09491005c11e52d0fa16bce8cf0aa3dbf3166afc3e99bfcea267e17d29fab3 |
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font_01_sfnt_off000100b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100B1 | 10944 bytes |
SHA-256: 307e21dff4533f305e8a7c78f793a0a196d4f49305c11c4b184a1c06f79ec3e6 |
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font_02_sfnt_off000119e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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