MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that form a link farm, pointing to compromised CMS uploads and disposable hosting, likely intended to redirect users to malicious sites. The presence of these links and the overall detection suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.7561
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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://crewmak.ru/uplcv?utm_term=how+to+turn+off+auto+brightness+android PDF link annotation
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16143ce4982665---90840664430.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16142dd5add20b---92920232769.pdfIn PDF document text
- https://csn-alliance.com/data/files/75125892119.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/2f92d817346ee4df2fc7631a1dbf2788/mosifit.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614167b35d614---4939003221.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea690c7bd9---19910829877.pdfIn PDF document text
- http://xn--eyt274i.com/upload/files/vawitafegipo.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/5d05a0387102fe03dc608818650abd63/28094945606.pdfIn PDF document text
- http://exito-opakowania.pl/userfiles/file/jafakazoliregimurawizakan.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16134f20957ec0---90804093972.pdfIn PDF document text
- http://snap-drone.com/userfiles/file/febibozelokesugodukixane.pdfIn PDF document text
- https://xosobacninh.vn/webroot/img/files/75039841387.pdfIn PDF document text
- https://10s317.com/uploads/files/202109140628335613.pdfIn PDF document text
- http://herborgthailand.com/file_media/file_image/file/39166115169.pdfIn PDF document text
- http://www.ruben.pl/ckfinder/userfiles/files/64133089779.pdfIn PDF document text
- http://xn--9i1b14lzokxjcrti5um.com/upload/fckeditor/file/jepepekozu.pdfIn PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/85780779838.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16130a04320bb5---38773906411.pdfIn PDF document text
- https://postelezmasivu-olomouc.cz/ckfinder/userfiles/files/10618139826.pdfIn PDF document text
- http://yksskj.com/ckfinder/userfiles/files/dulirabudagamimuxa.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/sobupivumiz.pdfIn PDF document text
- http://nbmounts.com/userfiles/file/1630756676.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e228b0bb0b---41273239578.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/v5ek272ugdvu6ors8f5dher6fr/11350569473.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000edbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDBF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000105d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D6 | 10904 bytes |
SHA-256: dd645a21d5eb97a9b361af8546054256db0d5351558df98d3ea0c60a3514e75c |
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