MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
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://philabc.ru/uplcv?utm_term=would+you+rather+questions+to+ask+your+best+friend PDF link annotation
- http://dansungsala.com/uploads/files/mujexemetozigulakadokodi.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/461ca0ef9575f3d6a63980788ee5a444/kunusojuxosufixa.pdfIn PDF document text
- http://alburigiott.it/userfiles/files/12627764902.pdfIn PDF document text
- http://olgapolyakova.com/files/files/fenuzaxitumigulunelow.pdfIn PDF document text
- http://eot.mn/uploads/userfiles/files/leseredotofajuk.pdfIn PDF document text
- https://ags-car.com/upload/files/99845911514.pdfIn PDF document text
- http://mwflower.com/upimagesfile///87523209801.pdfIn PDF document text
- http://baove24h.org/upload/files/36862511385.pdfIn PDF document text
- http://alumcity.ru/userfiles/file/xawozur.pdfIn PDF document text
- http://worldcar.jp/userfiles/files/88703960596.pdfIn PDF document text
- http://ride.hu/images/uploads/files/6019126629.pdfIn PDF document text
- https://vico-domrep.com/ckfinder/userfiles/files/ginojelipujo.pdfIn PDF document text
- https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/dovujebufosenarizat.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16151c04a74b7f---65050373281.pdfIn PDF document text
- http://www.blueoak.fr/image/file/80320665524.pdfIn PDF document text
- http://www.instalacionescueto.com/nueva/ckfinder/userfiles/files/34130942263.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/wikapikexusegotej.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff8ab7f30c---bexopogobijamedofusa.pdfIn PDF document text
- https://newtop-eg.com/userfiles/file/9421443505.pdfIn PDF document text
- https://faceless.me/userfiles/files/boduxeji.pdfIn PDF document text
- https://basalyemek.com/ckfinder/userfiles/files/80802797082.pdfIn PDF document text
- http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/busikowezavadegamezijaj.pdfIn PDF document text
- https://thietbixanh.net/uploads/files/60995818137.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_off0000b0fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c90e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC90E | 15400 bytes |
SHA-256: 24288930c3f3568a92b9f5503b98c484ecdf7e7275eceda8cff4e4abf194aff3 |
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font_02_sfnt_off0000efdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDB | 11036 bytes |
SHA-256: be7ad1977ef850837e5afa7486f87cad3a4d97971f4749d5ee556b09f8372e03 |
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