MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of external links, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://krisoc.ru/uplcv?utm_term=free+online+car+stunt+games PDF link annotation
- http://utuin.net/files/fckeditor/file/sovoroduwo.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613449a383627---80205102598.pdfIn PDF document text
- http://mutamobilya.com/images_upload/files/rusavigu.pdfIn PDF document text
- https://zlataraburmevuckovic.com/files/dufuzelazosegezebep.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137ad2e069b7---jikexabikitigave.pdfIn PDF document text
- https://kemxoithanhhang.vn/app/webroot/files/images/pages/files/zudikuvadofigomepizenev.pdfIn PDF document text
- https://ajambary.com/userfiles/file/97963920568.pdfIn PDF document text
- https://phm.vn/upload/files/40754117336.pdfIn PDF document text
- https://bank-kredit.at/ckfinder/userfiles/files/66374675493.pdfIn PDF document text
- http://mya1fc.com/files/ckuploads/files/18250590002.pdfIn PDF document text
- http://suncitygroup.ir/basefile/suncitygroupir/files/36917573024.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/d3f2c83d52ccb420a44654e78d9dca57/5183001024.pdfIn PDF document text
- http://chaitraglaze.com/uploads/43115514731.pdfIn PDF document text
- http://www.smartlandgroup.com/ckfinder/userfiles/files/jalusikewap.pdfIn PDF document text
- http://startent.ru/SITE/files/editor/file/fufivelusumawuju.pdfIn PDF document text
- http://elosc.com/upFile/file///ITX202109070936086222.pdfIn PDF document text
- http://aquaclub.hu/userfiles/file/32202654670.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137399eb2959---1980656316.pdfIn PDF document text
- http://casms.org/atts/news-files/file/35180706805.pdfIn PDF document text
- https://stephan-kratt.de/data/reiterhof/userfiles/file/55609770585.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/c667e57b20d63b6f091aa4618412ed9f/18762534656.pdfIn PDF document text
- http://alphasigmaoverseas.com/userfiles/file/31145404698.pdfIn PDF document text
- http://guides2alpes.org/uploads/file/firatozezipejesit.pdfIn PDF document text
- http://netmode.net/app/webroot/uploads/files/9546819240.pdfIn PDF document text
- https://turdv.ru/SITE/files/editor/file/vemilididoxadaxi.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_off0000bee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEE2 | 16300 bytes |
SHA-256: 00d0ae218d5c7b237c6703049002c434d1cecce7d6809f079d646093fcda2f8f |
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font_01_sfnt_off0000e859.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE859 | 10652 bytes |
SHA-256: d5585181f2f020553218e0622afcd1449632dec1f0d37d30f6e8c013aa1c0642 |
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font_02_sfnt_off000100b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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