MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm with numerous external URIs pointing to disposable hosting, suggesting an attempt to redirect users to malicious sites. No scripts were extracted, but the overall structure and detection indicate a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://designklasse.de/ckfinder/userfiles/files/39580305131.pdf In PDF document text
- https://vzglavniki.net/data/file/78922865407.pdfIn PDF document text
- https://pierreseche.fr/userfiles/file/16957936642.pdfIn PDF document text
- http://djk-winkel.de/images/uploads/file/58351493282.pdfIn PDF document text
- https://creteotels.gr/FCKeditor/userimages/file/23662703140.pdfIn PDF document text
- http://buyyoutubecomments.com/ci/userfiles/files/34959454493.pdfIn PDF document text
- http://microcement.ua/userfiles/file/lotejo.pdfIn PDF document text
- https://firsatpin.com/calisma2/files/uploads/gesevoma.pdfIn PDF document text
- https://sunridgecorp.com/uploads/files/202109071013467934.pdfIn PDF document text
- https://www.tvmreza.tv/ckfinder/userfiles/files/zozukakajejewenewevo.pdfIn PDF document text
- http://phuketdriveschool.com/userfiles/file/xebawemozis.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134eb8cdc6fa---95021875320.pdfIn PDF document text
- http://www.recko.ru/ckfinder/userfiles/files/51438086239.pdfIn PDF document text
- http://fujieshubao.com/zk/UploadFile/file/2021090105375273499.pdfIn PDF document text
- http://www.cottagegrad.ru/files/file/derimijimedojosuje.pdfIn PDF document text
- http://ebiocell.com/uploadfile/file///2021090214530374.pdfIn PDF document text
- http://timebymtm.com/upload/files/najuvosuzusokiwe.pdfIn PDF document text
- http://buyyoutubesubscribers.com/ci/userfiles/files/midipojoduzotamukakugi.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161309673ba655---85664867734.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/31616463934.pdfIn PDF document text
- http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/suxajewin.pdfIn PDF document text
- http://www.haztartasigepszakuzlet.hu/pics/file/84420039430.pdfIn PDF document text
- http://atreve.eu/ubezpiecz/obrazy/file/foruzemuvokojufapubutemu.pdfIn PDF document text
- http://boothbayharborshipyard.com/userfiles/file/wazigaboj.pdfIn PDF document text
- https://la-klamm.org/Files/files/68316293880.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=friv+pubg+online+2020PDF 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_off0000bc14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC14 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d426.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD426 | 16172 bytes |
SHA-256: 3fe37c1cf76124cd0a6130e74f5da87fdf0237405d7427d9bdb1d6bd41163ccf |
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font_02_sfnt_off0000fd89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD89 | 10524 bytes |
SHA-256: c25ef8a58e12cc98459ebfce93da4df144d44c1dab6389f83bedf708a2fd0833 |
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