MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution lure. The PDF's structure and embedded links are designed to redirect users to external, potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9877
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://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/hh1pqdqfitc97g075j6rpncvsp/87276585092.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160ab91ad115c1---lozuninelif.pdf
- http://kameleonhastanc.hu/files/file/88687013498.pdf
- http://www.juniorcollege.cl/ckfinder/userfiles/files/28207293448.pdf
- http://mchs67.com/clients/6/60/601da637195afcc8544498be66ee72b0/File/38801423874.pdf
- https://bishopsalamatkhokhar.org/userfiles/file/jusefirosefazidovawese.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0874756c5---25736841040.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3539384715---38000074769.pdf
- https://almentispharma.com/ckfinder/userfiles/files/zapipitegepopefatuwuwovej.pdf
- http://drivingschool-brno.eu/files/51459181008.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c002732c6f7---nepor.pdf
- http://hunting.kg/userfiles/file/96512807555.pdf
- https://salvamontbihor.ro/app/webroot/files/userfiles/files/44827993259.pdf
- http://maremio.ru/admin/ckfinder/userfiles/files/mirubu.pdf
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/hcvf7v7d620ec1qtb0celovokb/taposudofo.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9d7061610---13345184368.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/3b6e4ddc47ed8feac87904b9e14ef0e6/23741604703.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082b75b8dd67---52917252355.pdf
- http://sieuthivatlieuhoanthien.com/upload/files/soboko.pdf
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/3125ad3af6a6ad3e05c78e68045004fe/37369699892.pdf
- http://air-ned.com/uploads/files/37093802958.pdf
- http://tatishev.ru/admin/ckfinder/userfiles/files/rasiragafaxomatu.pdf
- https://skl.deindrukdemo.nl/upload/files/xivajunikusujexidoj.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886a3ad8576---87581551612.pdf
- http://englishkan.net/UserFiles/File/garavubuxekopemanaxo.pdf
- https://wtmasonry.com/ckfinder/userfiles/files/98906644199.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=sketchbook+manual+pdf
- 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_off00012db4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DB4 | 16792 bytes |
font_01_sfnt_off000145cb.bin841a896f62615293cd03922bb23bd7cf7749e50b541f0b47d5ecac72ccaee331 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145CB | 10932 bytes |
font_02_sfnt_off00015eba.bin69431e1c06afb6763977357cd38040261826eac971e31bbf95bd372b7067b96a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15EBA | 19140 bytes |
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