MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to various domains, suggesting a link farm designed to redirect users to potentially harmful content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly supports this, indicating the document's purpose is to host a large number of links on disposable hosting. No scripts were extracted, but the presence of external URIs and the link farm heuristic points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://medvor.ru/uplcv?utm_term=how+to+get+free+skins+on+switch PDF link annotation
- https://serihosting.com/calisma2/files/uploads/43360012753.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/keseviresekoja.pdfIn PDF document text
- http://keralastatetailorsassociation.com/userfiles/file/lamamuvejitusikop.pdfIn PDF document text
- http://cp-tournament.org/ckfinder/userfiles/files/20478024629.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/78139503488.pdfIn PDF document text
- http://vietnam-intraco.com/webroot/img/files/vedirevimomuxujabegizi.pdfIn PDF document text
- http://cuahuyhoang.com/media/ftp/file/minomewurerevajisuzobux.pdfIn PDF document text
- https://ichibaninfotech.com/ckfinder/userfiles/files/12565388885.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/wopitititunudi.pdfIn PDF document text
- http://healingtown.org/userData/board/file/73456630309.pdfIn PDF document text
- http://modaxch.com/userfiles/files/kavofoxedab.pdfIn PDF document text
- http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/kezagagaxobivevu.pdfIn PDF document text
- http://hanyangsteel.com/files/fckeditor/file/899900653613c14a5ae0c5.pdfIn PDF document text
- https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/vumafudigegite.pdfIn PDF document text
- http://maekuangudomthara.com/ckfinder/userfiles/files/66764658675.pdfIn PDF document text
- http://hgbs.de/userfiles/file/tarewosiwamumigemoraxele.pdfIn PDF document text
- https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/33575096376.pdfIn PDF document text
- http://jawarakreasi.com/file/pufudekigovi.pdfIn PDF document text
- http://gzmzwl.com/Uploadfiles/files/10141938167.pdfIn PDF document text
- https://jills.reviewz.eu/app/webroot/files/userfiles/files/jubusigaxilenijuxubija.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161316773ce614---74532618293.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613c228c58ab4---4124904470.pdfIn PDF document text
- https://xenang-mitsubishi.com/fckupload/file/bopupukunosetemu.pdfIn PDF document text
- https://marathonblainville.com/userfiles/files/zufus.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_off0000e0e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E2 | 18124 bytes |
SHA-256: 4b0ac252a2c3dd84af505caae991cb8eb0e80d3c672fbb78bd58f344cc0d5d3c |
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font_01_sfnt_off00011007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11007 | 10576 bytes |
SHA-256: 8d1d25321f87bb7eafdab2b4e8ed5b73dc513484908744e76bb78585c0365748 |
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font_02_sfnt_off00012829.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12829 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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