MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm on disposable hosting and impersonates cloud document services to lure users. Numerous embedded URLs point to potentially malicious domains, suggesting a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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://smidgel.ru/uplcv?utm_term=pdf+annotation+onenote PDF link annotation
- http://nutronicltd.com/userfiles/file/taxebediti.pdfIn PDF document text
- https://nodka.eu/ckeditor/ckfinder/userfiles/files/ravopunutulutikokife.pdfIn PDF document text
- http://mdknoodles.co/uploads/files/lexobi.pdfIn PDF document text
- http://sweethomedelivery.com/ckeditor/ckfinder/core/connector/php/uploads/files/xigowikok.pdfIn PDF document text
- http://sterenstein.ru/userfiles/file/katodamizimozid.pdfIn PDF document text
- http://kbautotech.com/board/datafiles/imagefile/javodosidugefev.pdfIn PDF document text
- http://frutapacargentina.com/ckfinder/userfiles/files/dezunofazupijas.pdfIn PDF document text
- http://saconsultancy.com/userfiles/file/93205965025.pdfIn PDF document text
- http://tajesink.com/Uploadfiles/files/mekilofopisomozasugegiru.pdfIn PDF document text
- https://swapnauraan.com/ckfinder/userfiles/files/14943850407.pdfIn PDF document text
- http://teamhead.net/userfiles/file/53180384601.pdfIn PDF document text
- http://dailygameresult.com/editor/UserFiles2/files/voxetinarupovun.pdfIn PDF document text
- https://taxfirma.com/userfiles/file/15842214794.pdfIn PDF document text
- https://aymexco.ro/ckfinder/userfiles/files/vulapowo.pdfIn PDF document text
- http://architetturaurbanistica.it/userfiles/files/89982313625.pdfIn PDF document text
- http://yogaschoolofkerala.com/photos/editor/files/mefalozuxusuxezapiru.pdfIn PDF document text
- https://brianhigbielaw.com/UserFiles/file/83504304009.pdfIn PDF document text
- https://maria-galland.ru/files/file/64565171530.pdfIn PDF document text
- http://lctrading-gmbh.com/ckfinder/userfiles/files/99539623197.pdfIn PDF document text
- https://grupahatak.pl/admin/_fck_files/file/suligusomu.pdfIn PDF document text
- http://chapelguild.com/images/usr/9360070992.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327dc1907c5---vedupi.pdfIn PDF document text
- http://studiolorenzoni.eu/userfiles/files/jotikumosisa.pdfIn PDF document text
- http://vandervalk.reviews/app/webroot/files/userfiles/files/sevevukujarodadag.pdfIn PDF document text
- http://polaryachts.com/res/wysiwyg/file/75992116940.pdfIn PDF document text
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/44045920928.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_off00010498.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10498 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011caa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CAA | 19420 bytes |
SHA-256: bbce9f523bedccc7c0f8a70697ee4aa4ed722ea83664b53f1822a2136672415b |
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font_02_sfnt_off00014e9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E9B | 10032 bytes |
SHA-256: 1f11676f536c1c4203dd4430730324f92ea6a8f1a7c7de0940b81ec93b6cf6b4 |
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