MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple heuristics indicating it is a phishing lure, including fake invoice language and links to disposable hosting. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded URLs are likely part of a link farm designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 9
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/dq1570j8m1eitb3h08rjv4i9d7/ximerir.pdf
- https://apoiotelecom.com/imagens/img_fckeditor/file/90118515816.pdf
- https://restavracia02.com/userfiles/file/wetekokuminatapuwed.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/ecdbp7hr68avinqm7jf6seuua7/19476870142.pdf
- http://vitalbafitnessclub.eu/userfiles/files/botugumuvara.pdf
- http://shinies.ru/img/lib/file/kixekoju.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/9e81cdf7de0b44daf15230800cf8aa28/zulumojalemo.pdf
- http://omonetach.pl/foto/ilustracje/file/92535822529.pdf
- https://e-uchebnici.com/img/file/81836819658.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/3480ec08dded20e76a02d9ae7b79c04b/pokukakorusadudosogimul.pdf
- http://visit-pune.com/userfiles/file/fojeloworezetupozet.pdf
- https://planet-for-events.de/userfiles/file/20842675857.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/9afb116c81b96b8dc7945933ce3ef022/71393287489.pdf
- http://velocimapper.com//webfiles/file/68568598153.pdf
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd62da02d2---83611289365.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160efe267176d3---46560316836.pdf
- http://gleneaglehoa.org/images/file/30346801086.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6024027f7a---gimesex.pdf
- http://france-ex.com/images/blog//file/gusegabofozimekepeku.pdf
- http://abpaluso.com/upload/file/25582047632.pdf
- http://holidayservicemarsala.it/userfiles/files/sabonize.pdf
- https://jagamimpi.org/contents//files/wowewuzimubi.pdf
- http://arci-mp.fr/admin/File/bujowipixizurowised.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+change+my+address+on+car+registration
- 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_off0000e255.binc95878f3c85c82a44e6bb4dd43c016a05bdb54bd935a8ef1ce0b6d32bc634e32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE255 | 10964 bytes |
font_01_sfnt_off0000fb6c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB6C | 16792 bytes |
font_02_sfnt_off0001137e.binb973b22237d93becf62664c6f13841e8ae85774ccece6820f91cd2dadfa7733d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1137E | 16604 bytes |
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