MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. Static analysis revealed that the PDF acts as a link farm, with numerous URLs pointing to compromised WordPress upload storage and disposable hosting. These links likely serve to redirect users to malicious or phishing content, aligning with a phishing attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://incoyun.com/calisma2/files/uploads/63313330209.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160802269d4e78---82043974570.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/679b1b1de6121f43174fe588e688f8db/tuxanaju.pdf
- http://drivingschool-brno.eu/files/44905402826.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/pn0bh3vt5ed0p9a8ulb8tgbmf6/zedowakugusal.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb397c8960b---65241417467.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5433a6ccf---69514530575.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/ebb34edada27af73c8fed1f6e03b8b36/gavib.pdf
- http://rolmech-strzelno.pl/Upload/file/sizarilulasuvuwe.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/770a205cd9463a3d80d41737d3052d15/tegaxanogu.pdf
- http://playeasypiano.com/resources/fck_images/98918561291.pdf
- https://bandai-k.com/userfiles/file/22204764887.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/61d74d87dcd65edf363821a55a1f7e1d/wizojezimatarizuvogufita.pdf
- https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607c77e64a5d8---72977510082.pdf
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/1046ab26e6c63d1f96ae2a6f07c9a06a/5665646481.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/189bb7348947e998fb79b134efab3fe3/xufobenozifixubimilisas.pdf
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a637e5c97c0---28159473394.pdf
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607de938dcf80---54568658257.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca70b688e4---zetijunodawujikasopa.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4af407fb0---4610907081.pdf
- http://dolphinegypt.net/userfiles/file/92994977467.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=awed+meaning+in+marathi
- 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_off0000fb97.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB97 | 16792 bytes |
font_01_sfnt_off000113a9.bine55f6fd22c4bea9eba639a6a6187f515167580c7c8de2f99aa4450a89df3ad96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113A9 | 19072 bytes |
font_02_sfnt_off00014455.bin1f90d7f77fc0221bd9dac24ff861ece0dde5d14244e09045be0da582524ed8f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14455 | 10428 bytes |
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