MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. ClamAV and ML classifiers strongly indicate this PDF is malicious, likely a phishing or malware distribution lure. The embedded URLs suggest an attempt to exploit users via compromised CMS uploads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8902e4ecc4---robagebesotakus.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/8105926811f1e933af1082d0fa13d342/77808840881.pdf
- https://lysgaards.com/ckfinder/userfiles/files/45427823909.pdf
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076372adac60---38873579610.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/b9217aba644769f276b78264bb3662f1/xizilurutijamasokowuja.pdf
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/a08081c9c2ee1d68cfc53af2a03539ed/pomirarevawab.pdf
- https://comobrew.com/newsite/images/user_uploads/file/jetevimurari.pdf
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/lgachq1qpni697ce93a38u98ap/22956261015.pdf
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/41b2df586036020636935db9b0bcbf35/57107309764.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/agkt1bbkvpbt58ff3uo7gcsqk1/26408921162.pdf
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c50291db9c---zegozalataza.pdf
- https://euroroma-bg.org/files/file/dobonogidenuz.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/kc9p1da59or8n5lgml9tkhbumm/zagul.pdf
- http://arqing.es/ckfinder/userfiles/files/29543932393.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/qj722sf5kf0guf4d5lb7pb4622/81637343273.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f712358bca---23424922572.pdf
- https://inncredel.com/uploads/bojivozufili.pdf
- http://mea-travel.pl/userfiles/file/rugotefi.pdf
- http://zulassung4you.de/bilder/file/xitaketidado.pdf
- http://ttlh.vn/storage/ckfinder/files/korabomifefavemowajixagu.pdf
- http://cesurmakina.com/userfiles/file/6143763060.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c478ec639c8---jabitizarulino.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098baee7d848---40911467914.pdf
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/24345cc897551ecf5c1972b343edc030/kodemifamitu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=the+great+big+hairy+boggart
- 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_off0000f194.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF194 | 16792 bytes |
font_01_sfnt_off000109ab.binfeff541e49bf22845accda11c277f0e6a426e057a8873ceb77a1f88305a8f319 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109AB | 10284 bytes |
font_02_sfnt_off000120fa.bine576a11ff986b6bd8c7e9cb1e62fe520c9a457d57fe688f9a5f0e5908fdeaec6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120FA | 18040 bytes |
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