MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document's structure and embedded URLs are consistent with a tactic to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d4cebabca---36323268691.pdf
- http://asbufestival.com/uploads/FCK_files/file/67657143547.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d33fe4bf74c---21049597618.pdf
- http://bbfederico2.net/userfiles/file/ruvebikopij.pdf
- http://signexpowholesale.com/project-new/christianbook/upload_images/file/salelafurikibufawasek.pdf
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/bf7168f8e0b412bf8ae7ea0d3a72b3b8/piriwifeduboxonetoritatu.pdf
- https://lionkingbali.com/uploads/file/nezid.pdf
- https://evpersoneli.net/ev-personeli/file/zumavonisuvumegovetow.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094c64519dff---23112640479.pdf
- http://angelcabrera.com/FCKfiles/file/zajekewajuget.pdf
- http://anaminfo.com/attachfile/file/magin.pdf
- http://bjbtrh.com/files/pic/file/48883483199.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa20e0d1355---toxabuzami.pdf
- http://sobinco.cz/ckfinder/userfiles/files/91111866372.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/9eb965f92e9208f54bcdc9b9e4354c81/1626413869.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/gaf4vnm5jujuufbeergotnnnt7/77759398457.pdf
- http://fairmonteast1975.com/clients/0/01/014dde3c838f86fef2ac1d31a86c415b/File/87250809745.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095674ba6bcf---nimojetuwud.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16b10a1569---27742084307.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16078f3068044c---xutewujululituzixekenu.pdf
- http://primebrokeragetx.com/ckfinder/userfiles/files/96013152698.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/142766f10baa3e31b5892c8e89ad776c/kodelotuwep.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/g3ibqgkt49t3td1usv9f4o7ktv/xopopi.pdf
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/0j68tgvg69srbmtqg8qrnh1jq4/75739807271.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9977d9330---tilibas.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=use+manifest+in+a+sentence
- 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_off0000edfc.bind406315b5d0e15dc2be6a8f9ffe81dae91b1281222198a35cf0585ad7a383f38 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFC | 10240 bytes |
font_01_sfnt_off000104fc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104FC | 16792 bytes |
font_02_sfnt_off00011d0e.bin57e1e20576e16e00d969f34e06797bd39e2138a6eaf1505b97243aba30c7f52b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D0E | 16308 bytes |
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