MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm. The presence of these links, combined with the PDF_SEO_DISPOSABLE_LINK_FARM heuristic, indicates the primary goal is to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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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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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://sparkpro.lv/content/file/29099896824.pdf In PDF document text
- http://ngor2-3.com/file_media/file_image/file/87795586347.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/8fb551257cb1dec8fc73a56fdac9c59e/71681180695.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5bbb19fba---xiwuxumezapasuvidilofo.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161359e1bdb229---68034590041.pdfIn PDF document text
- http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/12371748252.pdfIn PDF document text
- http://shrlie.com/upload_fck/file/2021-9-2/20210902190007867075.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c77a7b411---sexaranupalivege.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361c1c62f29---gawemewobum.pdfIn PDF document text
- http://buyyoutubecomments.com/ci/userfiles/files/pofik.pdfIn PDF document text
- https://sowlindia.com/userfiles/file/kosuvudenubobisokizav.pdfIn PDF document text
- http://bn-biz.com/userData/board/file/44342704162.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/248f85464901b62a556357b10646c56a/81050971985.pdfIn PDF document text
- http://francescofesta.it/userfiles/files/29072545888.pdfIn PDF document text
- http://mapect.com/upload/fckeditor/file/xinatedabinim.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/24961052618.pdfIn PDF document text
- https://subarini.ro/mm/file/luzizuma.pdfIn PDF document text
- http://cdseoulps.com/uploadfile/fckeditor/file/baxoxajodixev.pdfIn PDF document text
- http://nextgenship.net/upload/file/20210902163056150952.pdfIn PDF document text
- http://pension-erlkoenig.de/img/editor/file/24302633470.pdfIn PDF document text
- http://falconartistmanagement.com/ckfinder/userfiles/files/rabopurulinaxatisozuxul.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/4ff52a555409f9f4e2c4d39bfe834349/lexatakunosabojerafefok.pdfIn PDF document text
- https://www.asoriofrio.org/ckfinder/userfiles/files/lijowulopibaku.pdfIn PDF document text
- http://lpxs168.com/filespath/files/20210910151529.pdfIn PDF document text
- http://casaledellasignora.it/userfiles/files/gelajudibazubaramemid.pdfIn PDF document text
- http://hotelniagararimini.eu/userfiles/files/96070540476.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/sovadoxinazoxokejemo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=64+rom+hacksPDF 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_off0000e20c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE20C | 17864 bytes |
SHA-256: 3a619acddf81dc697beb7e53a89cad8cce55aee7e4f6999bc3d5f1d28045f130 |
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font_01_sfnt_off00011048.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11048 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001285f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1285F | 10264 bytes |
SHA-256: 2b35485441b487c2ab34efdca8339cf717cb7a9e93c9fbeae3c96d77820c3f45 |
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