MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to potentially compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs are likely used to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://truhlarstvisollner.cz/data/file/37787517484.pdf
- http://gwtcs.org/Content/uploads/files/vazibotarowupe.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1281c57ba---23248915504.pdf
- http://goteneplast.se/files/images/file/sogajunuworuxanuw.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5bb843ca6c---59951586931.pdf
- http://castrolmintabolt.hu/images/upload/file/jofofofuxegasevaxaf.pdf
- http://gadkowski.pl/repository/filemanager/file/87077952501.pdf
- http://ventilatoryzlin.cz/images/file/76404322402.pdf
- http://klhl.com/userfiles/file/nitikixujelujijuzetusi.pdf
- http://doverhighschoolhalloffame.com/clients/2/2d/2d76883e1086210ef8e2c43836b0327f/File/86804365481.pdf
- https://www.southdownscellars.co.uk/ckfinder/userfiles/files/70686518205.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/46ae3b3d7450546cef1fcdbcb6ba6063/41104136397.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b67cec18eb7---zenasavalinojuxoluwap.pdf
- https://sanipro.ma/app/webroot/uploaderfiles/52630106944.pdf
- http://accessiblevehicleservices.com/userfiles/file/fejebokodo.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa73c3b920---95737927215.pdf
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/b7db200d8ddd5ed1964577ae72493e29/63290676201.pdf
- https://bombapin.com/calisma2/files/uploads/48243696285.pdf
- https://wietsevoermans.nl/ckfinder/userfiles/files/16268215481.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/448975ae69d280b4d8cf215081e1f6ec/83330150981.pdf
- http://dui-antidote.com/images/userfiles/file/juferepupananelozefaxulo.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160dfdd714fe81---18452467604.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/s0lbg0v3heuvdupmpsl76oa0q1/95842881670.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=taoismo+libros+pdf+gratis+mundo
- 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_off0000e9b9.bin0325d1ce51ca30919c2b37ebb11e25ba4139232c07eb2dc2d2ba714c14736e56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B9 | 20756 bytes |
font_01_sfnt_off00011c7d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C7D | 16792 bytes |
font_02_sfnt_off00013494.bin8fd08e28f2ff544cefe32e6969e124999fafab77cd0ec1d52fde96edbd257ec8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13494 | 10912 bytes |
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