MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to multiple compromised WordPress upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of numerous links on disposable hosting further supports this assessment.
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 http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096094b779be---duwimem.pdf
- http://rentaruedas.com/files/others/16629243677.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160988c3c82e02---noxinilipi.pdf
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/548ffdc8de6656d5e99d7bd6ff632d7e/79988912514.pdf
- https://makiriaszto.hu/ckfinder/userfiles/files/33200473660.pdf
- http://sochi-polyana.com/ckfinder/userfiles/files/xodubef.pdf
- https://iword.de/userfiles/file/laboduwusivakutafuvipi.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/e9b4d7e799ffdaebcbd0543bc4df1369/lozobitariravewevogujise.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/a454c00f538ba1108607b057f6454607/13717255736.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160809aa456ef7---xufebamexufexefoja.pdf
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/bf89a1372222940494d975d7eb406146/nalijemogozuluguv.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/512485edb404c0966d7f9cf9ba587c94/zaloxedulonomowenenuzov.pdf
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a00fd16cb85---92132022850.pdf
- http://wahiclassof69.com/clients/874294/File/bebuxeriwapibixufowevivo.pdf
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/1jpc1f61ltlseofdin2cpm2854/xoribiv.pdf
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/o8vlc6ferca708os6caqdb7kur/35001115184.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607f22a3a7f70---dumaxefosemetibenokabete.pdf
- https://sindonis.com/userfiles/file/puxuvazimejotedilisexub.pdf
- https://invest.pl/userfiles/file/ganapuxoronofiluvewafoni.pdf
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/7s8kdh0mevfnfgj8m2r535tvpn/nekovubituponumutiropij.pdf
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/0fe36776dab7fe2678f6ae13fc9ba6dd/59898508786.pdf
- http://hrudolf.com/userfiles/81714336558.pdf
- https://zzhqhi.com/d/files/sunimawuwodabo.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e395f85824---60178301590.pdf
- https://amthanhanhsangchinhhang.vn/upload/files/zamafimaxodenufo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=galena+trolly+tours
- 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_off0000fcac.bin0eded4dc36a07a17aaa78769757e77d1f29b9f6c9035642c24c4ba850aae14fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCAC | 17192 bytes |
font_01_sfnt_off000129bb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129BB | 16792 bytes |
font_02_sfnt_off000141d2.bin346468f2b4774a1dc6e495ab7ac167d58bc7fd528d07dda8630baea0d7916f8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141D2 | 10260 bytes |
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