MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF document that contains numerous links, many of which point to compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. The presence of link farms on compromised CMS uploads suggests an attempt to obscure the final malicious destination and leverage potentially trusted domains for initial distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/e14d3532dd65bde438217cb1394ebd4b/7838729624.pdf
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/34cckh163o54thbqvlsk0fbrfd/niboforabokamalexubekafek.pdf
- http://ever0036.com/assets/uploads/ckedit/files/20210622185748.pdf
- https://dusunceokulu.net/resimler/files/45880718578.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9c07abdac---judipupibewivaxamif.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a44ac53497a---pigedigoxaj.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608727151ce8a---rekubakajufulijudot.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6465ecb55---75623080490.pdf
- http://lawngo.net/fckfiles/bijepotufidezadow.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d360c823920---80351304805.pdf
- http://adria-ex.com/images/blog//file/6835127385.pdf
- https://partnermind.cz/images/files/34458184855.pdf
- https://abandassociates.com/ckfinder/userfiles/files/48692143640.pdf
- http://aftckwt.com/uploads/file/48079988977.pdf
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/bf3769b854205e1120807ab898192e7a/turowud.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16095d4bdd1c75---92115401662.pdf
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/60ffede3581b535e5574cde76228d84b/matigaxipugibariki.pdf
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/299ffa63208d869ca1ff05b7686ae351/40366644820.pdf
- https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb8345d985---59436434939.pdf
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/0f06791319c1dd954c023169a89c9efd/difoxupepunovedimox.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1cb3e1b63---tiwerumelirulusikizogi.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c799954ca93---82784013431.pdf
- http://www.alfapilates.pl/upload/file/71704674590.pdf
- http://www.anclupnapoli.it/userfiles/file/56620410169.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=what+does+it+mean+to+culture+something
- 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_off0000f393.bincd9a53b3238fd9b695e03609818e7072490d925323bcdd01f25316d6cb1ae0f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF393 | 19000 bytes |
font_01_sfnt_off000123ec.bin13e57a96787bae2d32eb7d913a088e342e9d07c8e5df80b03c0c7a3ec05e0cd5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123EC | 10912 bytes |
font_02_sfnt_off00013ccb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CCB | 16792 bytes |
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