MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress upload directories and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of numerous links to potentially malicious PDFs reinforces the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://cukiernia-waltar.pl/qcms/userfiles/file/xonoduteler.pdf
- http://jpbullies.com/clients/2/2c/2c827f09d77a589c2c5c7da8c033a3f4/File/genebowarapuz.pdf
- https://akproauto.com/nbloom/fckuploads/file/namezebowenuto.pdf
- http://schooldistrictservices.com/clients/f/f6/f6ab1571d2cdf5e569af7b76e288b17c/File/viroseg.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad012edd868---wotagiweposexulus.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/5b6ff8281f6b6ae125bb2bb412248720/26409285695.pdf
- http://congtydaihai.com/upload/files/gosuvomokasitegufatolet.pdf
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a05878c0114---zadezi.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd095dfe3e---45026955385.pdf
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/d3c864156a2d8038ec653917ebc78020/kijanugawarumixuwibe.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16082547280f46---nomiwufepu.pdf
- https://digicpictures.com/downloads/31274970025.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c5676fe96---34130779229.pdf
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/34047be750e15da519301ad5a21e8042/8985745358.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01e450dbfa---91137296627.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/9kgjhklppbvdlquhrkt0odcmen/sunegibijikusuwifawilebe.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da9e3cb15f---8626283065.pdf
- http://geobrofab.com/clients/d/da/da7cd3953015cd63472398095fc1fcdd/File/1497982273.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ebbdb48a5---24723969725.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160980ff52f22e---56576455748.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/68682ed82c8095dcee51be2d97cb32b3/11497335311.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1da54893c---ruxexagevirumimopatezizu.pdf
- http://sklepjola.pl/userfiles/file/29718128020.pdf
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/b14a1f43ac21047a54c0d47068b8c1a9/45224884338.pdf
- http://esthebel.de/userfiles/file/gavizasasorenep.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=pokemon+x+rom+for+android
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bffb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFFB | 16792 bytes |
font_01_sfnt_off0000d812.bin1a57c9923e41d94f4dabd3dace5280ddd70d8b6508e0c16e302b581eba8d11b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD812 | 10400 bytes |
font_02_sfnt_off0000ef8c.bin4299d4b77dffa8f0287b43e637e86ffe2decffb653ee8ab329596fe6f4421356 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF8C | 18016 bytes |
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