MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple external URIs and link farm heuristics strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607be2c0901b0---luxig.pdf
- http://sunrui-ti.com/d/files/totozewuxu.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/4g3egrvv2pege1c4n9me5jkvi3/timuzivigadam.pdf
- http://jinanxintiandi.com/userfiles/files/mesejonerogiru.pdf
- http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210613024917.pdf
- http://lucann.com/Upload/file/xemiz.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608607b090d5b---40762973686.pdf
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a19db906705---58577095335.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/8b8b008eb5a61bcdb045f296a372eef9/wefazuni.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608548358590d---vetasotixofenuxibu.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/52ae4e9b33b8dd08979a199131352e02/41100639014.pdf
- https://geneticapanama.com/userfiles/file/pirifinuredavosawupeku.pdf
- https://dm288.com/slicice/file/73756992697.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/e2253efab07d3025c6e144bef5838218/35793469684.pdf
- http://fitviewer.biz/files/file/91545269039.pdf
- http://waterlootour.com/FileData/ckfinder/files/20210620_4D209C76BB5B2A96.pdf
- https://laser123.com/geektic/files/guzawidokevopo.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/5ba2c11bfccd28ff38e160172d604854/vonerime.pdf
- https://termoformat.md/img/files/7953826989.pdf
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/2sf5hi5hsk7ftkddangcaljc13/datafiromojesunixebuw.pdf
- http://www.evisiontiendaonline.com/ckfinder/userfiles/files/81735753251.pdf
- http://asustainable.com/global/file/53771021483.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609405f55e5a9---3435364919.pdf
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/c5bb0ac7afde642ceba75c81540b04b3/79464392492.pdf
- http://ahkjt.com/upfile/file/mavunobipol.pdf
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/ecej29oho6mqt5u50t2baflscf/fadamubunafikujuguve.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=pick+a+random+number+between+1+and+20
- 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_off0000f11d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11D | 16792 bytes |
font_01_sfnt_off0001092f.bin7ce7a79f3a09b77c1f30cc375cca6b3d072b61236ce91035bfa78dad34d53890 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1092F | 16880 bytes |
font_02_sfnt_off000134a1.bin4b80d288241ef19a561076e3a6e5986c44b0f6aba4c07f5a8b3e03ee616e3853 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134A1 | 11032 bytes |
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