MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded URLs are indicative of a phishing or malware distribution scheme, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.6343
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16081f930296bf---55070106117.pdf
- https://snqrsl.quebec/upload/editor/file/91286984378.pdf
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9ba0dd145---zonetuxadifewuvemamu.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/a3a2c3b73b49fbdcb350d7eaf26e3501/sosifemoruxur.pdf
- https://bistakalikotenetwork.com/userfiles/file/xolososugelunuf.pdf
- https://masihpt1.com/contents//files/14943152234.pdf
- http://bursaceyizgelinlik.com/images_upload/files/79223242324.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a2bd1324153---nekurakaja.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f01d4d2c2---basutobokatebeluxef.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf42fa8028e---zadukabab.pdf
- http://dailymaytrogiang.com/userfiles/files/patoxedixeritaduw.pdf
- https://associazionedynamica.it/uploads/file/61325209482.pdf
- http://agendaalzheimer.org/files/galeria/files/34434608019.pdf
- https://culturasiapamplona.com/guiarte_userfiles/files/fawisezuroz.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/f723f5cb9af096a080af78cc9a7ee511/monudenanopez.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160aa6236372ca---60754172092.pdf
- https://bhsbeacon.com/FCKeditor/file/wivexumamozedadelamuze.pdf
- http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/jixasaxokasisiganam.pdf
- https://crownprolaw.cn/userfiles/Proj_Name//files/48760344555.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160f23443b1cc5---mimigukepeninini.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/lddmtk388lobiu7dio03uf7foi/26464476198.pdf
- http://studiolegalezullo.eu/userfiles/files/suluzasuzimikilitenidug.pdf
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/sbdhl2qe62fj4lqlbfthi9k0nr/lafozigulejubiwani.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=iron+gate+design+catalogue+pdf
- 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_off0000d7d0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7D0 | 16792 bytes |
font_01_sfnt_off0000efe2.bindebbd15ba24a0f23e72b293caaece839039da8b25a55aa8ccaef4d06b4df1645 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE2 | 17292 bytes |
font_02_sfnt_off00011c5d.bin893c6f7f7ec027a78bdbcc2b54b9e6f47357043ac9d60370dbfaac6f0aafbd91 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C5D | 10848 bytes |
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