MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to potentially malicious content. The presence of external URIs and the nature of the detected heuristics point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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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://queure.ru/uplcv?utm_term=romain+rolland+peter+a+lucia+pdf PDF link annotation
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb197181ec---mimapanaxa.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/0c89941ffb044da64e93561c6a01413e/nekarivelefe.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/igpi8ljcitiuiob58k5e30tqs7/sagematixis.pdfIn PDF document text
- http://vodnik48.ru/content/file/konunetinolobaxetun.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/g60v7lhhdaacklhl5rkn6tpomt/piwudimixarodelopela.pdfIn PDF document text
- http://oio.cn/uploadfiles/files/86974904622.pdfIn PDF document text
- http://dkmmotor.com/files/userfiles/file/17186276665.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/goxara.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16080aebee2e9f---10025643635.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d46d4c7903---jisepiropelonekanolap.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607456f6780e0---3414342475.pdfIn PDF document text
- http://e-sportis.com/images/upload/95259553961.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090864a78ed6---16563267968.pdfIn PDF document text
- https://contabil-fiscal.ro/mm/file/fijutuzugabuzuzilejerom.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf286d770b9---60577266539.pdfIn PDF document text
- http://etcad.net/np/upfile/file/47125318502.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a2056d944---seketoneniz.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/pas2bpn35uik8llfqsbc8uceii/2785255848.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/77faffcb4fc1d6fe8cae34f14cdf8357/lovidekusada.pdfIn PDF document text
- http://mega-treid.com/userfiles/files/xunoberafu.pdfIn PDF document text
- http://lifecare4all.com/upload/files/98821514507.pdfIn PDF document text
- http://chanakol.com/ckfinder/userfiles/files/99099023065.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/e4d0bad93f1432784e6caa1a29b08b15/rafaluji.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/59qehtb5bt9e74mdjluj5tcifj/zometawobitipibev.pdfIn PDF document text
- http://av-jet.ru/userfiles/file/99142679150.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d3c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ebd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD8 | 19048 bytes |
SHA-256: 1640eebac8f454d64f0a85d44d15877184b558859f7f68d72fa492195e223ecc |
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font_02_sfnt_off000119cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119CC | 10756 bytes |
SHA-256: f2fcbb7e74494bcc5c2b9e57cac790818c5b846a54727b06e705a6abdc951cd6 |
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