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. The PDF contains numerous embedded URLs, many of which point to potentially malicious domains, suggesting a link farm or phishing lure. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags the document's structure as a link farm on disposable hosting, reinforcing the phishing/malware distribution hypothesis.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://sns.hu/_user/file/zuburavav.pdf In PDF document text
- https://kamarkosong.com/contents/files/1378456221.pdfIn PDF document text
- https://jahanchart.ir/data/files/file/tanudivopi.pdfIn PDF document text
- http://hebammenglueck.de/ckfinder/userfiles/files/xefaperopilumamasudatige.pdfIn PDF document text
- http://eltdb.com/UserFiles/files/20986548843.pdfIn PDF document text
- https://www.nitdgp.ac.in/uploads/userfiles/files/71874333081.pdfIn PDF document text
- http://nebovsem.ru/app/webroot/files/files/garadevexedilurinutiso.pdfIn PDF document text
- https://panoramabyty.cz/content/17017832987.pdfIn PDF document text
- http://sh-ruiyangcpa.com/userfiles/file/2021-9///20219761303378.pdfIn PDF document text
- http://studiofagiani.eu/userfiles/files/nujezaxubupupanano.pdfIn PDF document text
- https://llibreriaha.com/img/events/file/6300747023.pdfIn PDF document text
- http://vwtint.com/userData/board/file/rewedemigamaxat.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132f231dc143---33809587895.pdfIn PDF document text
- https://gagiongvitgiong.com/ckfinder/userfiles/files/sokumesirugadap.pdfIn PDF document text
- http://zoscm.zohukum.com/ckfinder/userfiles/files/29377359757.pdfIn PDF document text
- https://lockerova.eu/admin/upload/documents/65154009498.pdfIn PDF document text
- http://studiofantino.it/userfiles/files/tuviliponikujurapom.pdfIn PDF document text
- http://entryexpress.online/chapter_images/files/vimizipuzim.pdfIn PDF document text
- http://karat-dobremiasto.pl/userfiles/file/fobopodekeribetagasopu.pdfIn PDF document text
- http://cesvil.it/filesUploads/file/17154820032.pdfIn PDF document text
- http://nwatchonline.net/userfiles/file/85003319824.pdfIn PDF document text
- http://www.injamal.es/nueva/ckfinder/userfiles/files/54255791759.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/161327f09462f1---43613403402.pdfIn PDF document text
- https://limpiezasinasel.com/userfiles/files/91232715535.pdfIn PDF document text
- https://ebal.ro/app/webroot/files/userfiles/files/tinisodasuxegixu.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/63299385007.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=concepts+of+modern+physics+by+arthur+beiser+6th+edition+pdfPDF 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_off0000ea6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA6A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010281.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10281 | 11392 bytes |
SHA-256: c785ed4f37cb57f9a626980a21c6be5f749506c1b5ff246b8a7f7bd7de0bc864 |
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font_02_sfnt_off00011cfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CFA | 18932 bytes |
SHA-256: 443d450f1477456038b38583f4895cccfa07c34060c6f625f6b1e96f6a5961d5 |
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