MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Static analysis revealed it functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links likely serve as a lure to redirect users to malicious or phishing content, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.8303
Heuristics 5
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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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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.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/ng16c5gvtvru4vfmskgsdsl892/rugotagafa.pdf In PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/016bbbcce74c5aeb3304ec64c823e060/lejikiv.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160c06f1da3838---37465735941.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/b42b8bb11e454ed9844c7030604471ac/90744912934.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cd6d2f812.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160afd20dd348a---finotigimiloxogibira.pdfIn PDF document text
- http://hart-metale.pl/gimnazjum/userfiles/file/24062042905.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798f9788798---21698569424.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac64f98c7b9---55502139195.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/vafinu.pdfIn PDF document text
- http://mpti.ru/userfiles/file/10186165063.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160a8bce4cff91---molusalejewobe.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/3420783816.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd5d5b6bd8---60353521913.pdfIn PDF document text
- http://stonebreaker.at/19956346972.pdfIn PDF document text
- http://xahscw.com/userfiles/file/gegujitemuruma.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084e776a7401---vefuwoliviwebedijegaremez.pdfIn PDF document text
- http://soul-program.com/clients/e/e8/e84723a0d254fbc5507aaa4bd1967541/File/janadepaselal.pdfIn PDF document text
- http://hocikto.info/userfiles/file/27698955543.pdfIn PDF document text
- https://micsys.in/userfiles/file/magarujo.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/lle36a0trf5g43mkjcfc3iboen/58611936378.pdfIn PDF document text
- http://parkwaywest1974.com/clients/861606/File/77388375795.pdfIn PDF document text
- https://eminencesolutions.in/resources/userfiles/file/tomiburope.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/bizevabalurixux.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=manual+android+sdkPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED02 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010514.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10514 | 17504 bytes |
SHA-256: f3022a97a453be45101f10f8281a2dd9fd198acb188d1c2b9bfc3d703ffa4c20 |
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