MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://kbchina.de/upload/23667482940.pdf
- http://curry-box-deluxe.de/userfiles/file/3232855795.pdf
- https://stijsr.com/userfiles/file/36954056638.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16075737d47bb9---12488638244.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c35a72ed9ea---41516944956.pdf
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/0299c82f8c6c421422581973398f0681/dibapekazusebuka.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/ka0iebsfi27dumhnj9e7mgvgj9/sijixijidow.pdf
- http://www.anieliasfx.com/uploads/textareas/file/17653915232.pdf
- http://topimmigrationlawyer.org/ckfinder/userfiles/files/55499275081.pdf
- http://www.gonouvellezelande.com/files/vatudegobijuf.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094525a5f362---74720143929.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/jgih2du19745ilt81644orhnop/51435496177.pdf
- http://sbnjl.com/userfiles/files/leneguwevuf.pdf
- http://elturo.ru/img/upload/files/73472850100.pdf
- http://coopmong.com/ckupload/files/33775687376.pdf
- http://manpukulivermore.com/uploads/files/88761841723.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/ipgv4beo1v0p5ol68po7ijfvq8/mabirozi.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfdfcdf591---nubivife.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f023cd601---bovufidoliwudixoka.pdf
- http://kidneytracker.com/ckfinder/userfiles/files/jakipede.pdf
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/q9iv4g8nr7hl6dk3rjfr5lehg5/60758100448.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/553eabb135eb35cc2064d992ca2f2d65/54209907394.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/13151bff5d5d9fa3b8e23c53537a53fe/sokipat.pdf
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/7eb31418613dfeafd410a9c42b9e7eef/53009340379.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=free+coins+daily+coin+master
- 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_off0000f07e.bin2178a8398f68832185ad8851c2ffe7338257dec38d2ec1c065e73a91a17fe0ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07E | 10624 bytes |
font_01_sfnt_off000108cb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108CB | 16792 bytes |
font_02_sfnt_off000120dd.bin60ffcf6d3b3e9a13acf7117e7fa9951ecd16893fa3f930afac19610ad206178f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120DD | 16588 bytes |
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