MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to redirect users to malicious content. The embedded URLs, while some are marked benign, are part of a larger pattern of deceptive linking.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://poiskvod.ru/images/file/pipugup.pdf In PDF document text
- https://xn--pssa17sw71b.tw/upimages/files/54278907949.pdfIn PDF document text
- https://gimenezricarte-deltabogados.com/ckfinder/userfiles/files/67970339012.pdfIn PDF document text
- http://snbedu.com/uploadfile/file///2021092004053370.pdfIn PDF document text
- http://murito.fr/ckfinder/userfiles/files/ranedomamigil.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/b76530f555f3c2bc7f200a182650075a/68860220106.pdfIn PDF document text
- http://studiolegalebisantis.it/userfiles/files/wupanitixegibuwi.pdfIn PDF document text
- https://grupo-kayros.com/userfiles/file/lowoxasaraxal.pdfIn PDF document text
- http://sun-dr.com/uploads/files/202109131921249739.pdfIn PDF document text
- http://fairbank-ia.org/admin/ckfinder/userfiles/files/82993963249.pdfIn PDF document text
- http://qapoll.com/2015/vat/upload/files/3186361842.pdfIn PDF document text
- http://themadthinker.com/temp/vinney/HTML/userfiles/file/tuzadipabunuzatefo.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/vlr9depauqqcjdm473r5u4u5fc/buremipowixin.pdfIn PDF document text
- http://itena.si/uporabnik/file/riritarewuzefejirew.pdfIn PDF document text
- https://vsetinrally.cz/userfiles/file/mifubotopinemulone.pdfIn PDF document text
- http://xn----7sbqwxdbhblh2h.xn--p1ai/data/file/80920038816.pdfIn PDF document text
- http://www.dkmodels.net/ckfinder/userfiles/files/zubutavaselexakuroki.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136c202d5c17---jaxedawozobafamorubedu.pdfIn PDF document text
- https://ekransamara.ru/files/vumupizim.pdfIn PDF document text
- http://dtmaso.com/public_html/Imagens/file/wabidugerepopetepisi.pdfIn PDF document text
- http://phunphu.com/userfiles/file/71466881379.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16130756932fa6---63787823081.pdfIn PDF document text
- http://tonyprins.nl/images/uploads/file/wikakuwaxi.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a39d37773---68655676400.pdfIn PDF document text
- https://fotoprint.lv/downloads/file/39224209381.pdfIn PDF document text
- https://tinhhoaxanh.vn/userfiles/file/kegoxos.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=can+i+transfer+photos+from+iphone+to+android+via+bluetoothPDF 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_off0000e0b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B0 | 19288 bytes |
SHA-256: 5646e5283da4e12bb1c6e0714e782ba02173fb891bca9192ca707cf597b75ce6 |
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font_01_sfnt_off000111f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A09 | 11100 bytes |
SHA-256: 52b3773f4b9b86e6beecb8fc7f93378598f80e4aadb26521294e1ad6a8418f59 |
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