MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress sites hosting further PDF files. The presence of numerous external URIs and link farm heuristics suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607b56d89dd88---zikosapavusom.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4ed997cac---toxuluresetavofonatitokos.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/7pf9u7p5vmjbu06nnmd3oe7ip4/90555535657.pdf
- http://daugiavanthienphuoc.com/media/ftp/file/binajazoterag.pdf
- https://balaji-technology.com/userfiles/file/18171382158.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cacad05ca9b---jilivobekikufimukutope.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b1afb7a99fc---dazatibaparaledov.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/bo48p86bc10e3buct5v5roprov/68212100361.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a97cf0da7a6---jinuvugaxeduba.pdf
- http://ggmtc.net/userfiles/files/58791592051.pdf
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/eun98bf59uppu1c2r9uid7n1no/15661532552.pdf
- https://ilmercatinosottocasa.com/file/28046713508.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/721jgg79sn0jcs9hsn96ejkaa8/vemewizut.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160cbe3384567a---noribapabidafudet.pdf
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/f505a8fc39265e720b8df9f5bd7d8938/75271752267.pdf
- http://mobilephleb.com/clients/2/2d/2d2188d13063160162e6e2bbcdac547d/File/74176519815.pdf
- http://pillshop.ru/uimg/files/66235002164.pdf
- http://komputerzagrosze.pl/userfiles/file/kefozakego.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/fd2421df2472r2okmavpgsp69t/48331046347.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16083b9d6478f7---89267853496.pdf
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/64525416376.pdf
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/15n7anqvh2uvmbaosgdug14iib/58401929468.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=parks+in+maidenhead
- 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_off0000f3f5.bin8938c401576d8f46d05a1153dc4e2aa3bb0d566790708d9dd33da7940a70e20d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F5 | 16672 bytes |
font_01_sfnt_off00011f3d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F3D | 16792 bytes |
font_02_sfnt_off00013754.bin43f5aacd33af06ea12a0249187b6891b3e5cbafda452d50655c4d6a305e5d4f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13754 | 10340 bytes |
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