MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicate a pattern of link farming designed to attract traffic. The ML classifier also strongly flagged this PDF as malicious, suggesting it is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://inwebjor.ru/uplcv?utm_term=among+us+android+hack PDF link annotation
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/00303c153c9412d4a6395307a0052af7/mowubopuxamivup.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/nukerogatofanajokovipon.pdfIn PDF document text
- https://irisapp.cn/uploadfiles/fckeditor/20210903/file/16306104301671.pdfIn PDF document text
- http://derkwoo.com/upload/editor/files/30714155433.pdfIn PDF document text
- http://superlitefan.com/uploads/files/jaliwe.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/4670547c2fba31381c53f87b39776fec/50564870422.pdfIn PDF document text
- https://nutricount.cz/UserFiles/File/gajuroxurexusirivuxuwi.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613861ba036fb---guvawojenixixefukolol.pdfIn PDF document text
- https://soswzgierz.pl/web/uploads/files/vinivogugin.pdfIn PDF document text
- https://magnanerie-cazilhac.com/userfiles/file/mojelepetisasanenexub.pdfIn PDF document text
- https://clubforeducation.com/FCKeditor/userfiles/file/tilibepokeredasarup.pdfIn PDF document text
- https://altstudio.be/app/webroot/uploads/file/81069672093.pdfIn PDF document text
- http://amongelite.com/ci/userfiles/files/56574237723.pdfIn PDF document text
- http://kerekesvillszer.hu/UserFiles/file/noferidiw.pdfIn PDF document text
- http://kantoromega.pl/userfiles/file/52072559293.pdfIn PDF document text
- http://okna-stv.ru/userfiles/files/36245017865.pdfIn PDF document text
- http://roycraft.ca/userfiles/file/bexufafixudakojarezima.pdfIn PDF document text
- https://traicaygiasi.com/Images_upload/files/sodadimupamaz.pdfIn PDF document text
- https://stealthwindow.tw/uploads/files/202109131731417206.pdfIn PDF document text
- http://vnos.vn/app/webroot/uploads/files/44655238825.pdfIn PDF document text
- http://soluzionebenessere.eu/userfiles/files/46005939778.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/d9350655324da58835ce89316028c74c/zegedetog.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132fe097dff4---dulikalajugexap.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612f312ef372f---pudalusukodezidedofu.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_off0000e336.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE336 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB48 | 17020 bytes |
SHA-256: cba4647917359ef9ea9db39eb9578c72e97e7bb6a88e411f4e85720dc653492b |
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font_02_sfnt_off000127d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127D4 | 10716 bytes |
SHA-256: 29844921a7f836596daddfbc0e779c7c506b5a963f0ed243a9574fbfcb9dabf1 |
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