MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, characteristic of a link farm used to distribute phishing lures or malware. No scripts were extracted, and the document body was unreadable, but the presence of a link farm strongly suggests a malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/a1560bb8e3226a035784e410fc4fc887/linokeresigakufurifen.pdf In PDF document text
- http://isdoor.ru/uploads/files/9219124692.pdfIn PDF document text
- http://brandorbit.in/userfiles/file/23936438887.pdfIn PDF document text
- http://laiksmodalux.lt/app/webroot/uploads/userfiles/files/31733621291.pdfIn PDF document text
- http://awarelaxcentrum.cz/user_files/file/posarakusezukofe.pdfIn PDF document text
- https://gizaviation.com/uploads/files/49989853143.pdfIn PDF document text
- http://cathugo-catamarans.de/res/wysiwyg/file/wobusapalexipaxokexevib.pdfIn PDF document text
- http://cafecontinentalmd.com/uploads/files/22671465025.pdfIn PDF document text
- https://willmarareachamber.com/ckfinder/userfiles/files/67547259550.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/a0c519736975ad8b9bf1ba2060fce8bc/befeka.pdfIn PDF document text
- http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/fepulijuzewutez.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/34ae26acddd4a3514d41126d07b8bef9/63276682713.pdfIn PDF document text
- https://karjerastests.bankai.lv/ckfinder/userfiles/files/motuzabebibikoliz.pdfIn PDF document text
- https://euchebnici.com/img/file/fiberegolurevoxo.pdfIn PDF document text
- https://thegioidongphuc.net/ckfinder/userfiles/files/teledugowowafaxuzu.pdfIn PDF document text
- https://njshore.drinkpoint.com/uploads/files/dusek.pdfIn PDF document text
- http://ottuk-e.org/userData/board/file/81101361159.pdfIn PDF document text
- https://www.lucaslobker.com/minor/ckfinder/userfiles/files/susiw.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/3b96b88e1498b104a5cf21b4c65ccfe2/28962200679.pdfIn PDF document text
- http://appextskihjthj.handylover.com/upload/files/nawelujutufokogiliraxav.pdfIn PDF document text
- http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/sakita.pdfIn PDF document text
- https://optical-axis.com/uploads/files/202109210723261704.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/82118259298.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=unless+a+man+is+born+of+water+and+spiritPDF 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_off0000b319.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB319 | 15364 bytes |
SHA-256: a1869abf0f1a306d2b938235ea9de80ca7fa8994630ba9cd9a7b58165a549924 |
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font_01_sfnt_off0000d9f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f20c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF20C | 10892 bytes |
SHA-256: 241ae99b240bf8957671b83a05230ea32729afd7b7801e9f1490c66e19361b3a |
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