MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many of which point to compromised WordPress upload directories or are part of a link farm on disposable hosting, suggesting an attempt to distribute malicious content or phish users. The document body is unreadable, but the heuristics and URL analysis strongly indicate a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://burragebrothers.com/demo/jolie/beta/userfiles/files/wajegadibalokivojeli.pdf
- http://martom24.pl/martom/userfiles/file/patudeker.pdf
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/fipen.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160728ed86922f---55864158789.pdf
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8e456b8ac---98354895955.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a71ee5a59c8---89767015780.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16099a9e0de64e---99589463723.pdf
- https://medtek.vn/storage/file/51836901552.pdf
- http://rasmesafar.net/basefile/basefiles/pezodibezirizeweri.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609496950a5d3---gujagodirupaduxukusovesal.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ab265a25d---13022847335.pdf
- https://hrmconsulting.biz/upload/files/53245734966.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/c07781910b23458afd74d4f67fb6d5c4/48499200957.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/a283b6950b3db3119aa181866ec9cb22/81538042092.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a5567ed50b6---4517537027.pdf
- https://abeess.com/userfiles/file/168698081.pdf
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/6ed8377c25f037d39781a32bedd11601/kegelovinomefezisibomajar.pdf
- https://viettrungson.com/media//Files/42571539472.pdf
- https://dienlanhbachkhoa.info/upload/files/15796355133.pdf
- http://aceonlinementors.com/userfiles/file/muxabinof.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160af5da5b3c08---25523533398.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/9a9fce2b2c0c81b7eafc715b47701c7a/piwavimumubiru.pdf
- http://immobilieninvestors.de/userfiles/file/tomadenavimafamiretasuwot.pdf
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/43914a762e890130b1629baf0dd12ab4/38736475159.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160902479c426e---beladakudun.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+get+expo+marker+out+of+carpet
- 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_off0000f6b9.bin766ea7edb81a76ca4ddc42ba86514fa4c4ea7726a6ad31c95fc4c179952f1a76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6B9 | 16520 bytes |
font_01_sfnt_off00012192.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12192 | 16792 bytes |
font_02_sfnt_off000139a9.bin0a12c4a8f73a7e3e2f6c122ac58143ed153c0f88ee6c44c1508a165e6af6e021 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139A9 | 10784 bytes |
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