MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. Several URLs were extracted, some pointing to compromised WordPress sites and others to disposable hosting, suggesting a link farm used for phishing or malware distribution. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://sentezetutmerkezi.com/upload/ckfinder/files/pilinogamorapexapafelu.pdf In PDF document text
- http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/91816239236.pdfIn PDF document text
- https://etevent.itweald.com/uploads/files/613e998e7a775.pdfIn PDF document text
- http://ned.ru/uploads/files/41983842430.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/06922cb6e4c328c1b89c93ad6658bbe6/35320473825.pdfIn PDF document text
- https://newcar-rental.com/uploads/files/202109161743222388.pdfIn PDF document text
- http://biosystech.com/pdsFck/file/diperanotezatezaxuwekesug.pdfIn PDF document text
- https://chachachat.info/js/ckfinder/userfiles/files/88450626865.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/76830037341.pdfIn PDF document text
- https://gites-les-bardots.com/userfiles/file/36200197114.pdfIn PDF document text
- http://kovospm.cz/fotky/file/tetalikuvelejumuliniwitol.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/161447ddfa8c20---8410373083.pdfIn PDF document text
- http://jenan.com/ckfinder/userfiles/files/76836703603.pdfIn PDF document text
- http://begues.mobi/userfiles/file/narurofoxenawepaxegavilig.pdfIn PDF document text
- https://hkpefa.org/editor_upload/file/43420226593.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/ec73b1cf6a2da53078191cf4a98181f2/4744849461.pdfIn PDF document text
- https://doktor-ara.com/userfiles/files/gobire.pdfIn PDF document text
- http://theprojectmanagement.guru/cote_dor_import/admin/ckfinder/userfiles/files/lokujudaxegebamik.pdfIn PDF document text
- https://sindonis.com/userfiles/file/67900453906.pdfIn PDF document text
- http://cobansut.com/userfiles/file/34472243835.pdfIn PDF document text
- http://bigbazar.cz/is/images/FCKeditor/File/vifomosulorenedaroworiji.pdfIn PDF document text
- https://pima-alarms.rs/slicice/file/57953549804.pdfIn PDF document text
- http://fajni3333.fun4two.pl/uploads/assets/file/74680555761.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614eb88c1f65e---40811002093.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=thoptv+download+latest+version+2020PDF link annotation
- https://rt9.rspo.org/ckfinder/userfiles/files/babivamo.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_off0000b29c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB29C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cab3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAB3 | 10844 bytes |
SHA-256: 6276612c631593c169d4b1494ffd09e74d9e5c83bf728ff02a97977492aa0e4c |
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font_02_sfnt_off0000e3c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C2 | 16004 bytes |
SHA-256: 3d720599b6f4b7d22b07cd88341f532dc87102e43f48d86c236790963263aef5 |
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