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 sites and disposable hosting domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://insights3.com/wp-content/plugins/super-forms/uploads/php/files/5a7e1e10c4502b59a06bf48d980c2047/93619485480.pdf
- http://sns-russia.ru/userfiles/file/78877670516.pdf
- https://autoradiator.mn/uploads/ckfinder/files/sixovi.pdf
- https://vegas-shop.net/uploads/files/tagejilukigugasefeposisek.pdf
- https://ebal.ro/app/webroot/files/userfiles/files/rilex.pdf
- https://transmar.biz/ckfinder/userfiles/files/xufajivipi.pdf
- http://yogaschoolofkerala.com/photos/editor/files/94158223748.pdf
- http://systempro.kr/userData/board/file/35703255312.pdf
- http://janjoling.com/public/ckfinder/userfiles/files/zuziwiponil.pdf
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d7deddfe6f---44809266049.pdf
- https://printjet.pl/pliki_user/File/6834121101.pdf
- http://weshare.vn/attachment/files/21206869728.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/f9aqe3iafr0hsj4ev09a3qf9s6/31627437322.pdf
- http://world-spa-resorts.com/dok/75463406789.pdf
- http://www.scea.edu.mn/ckfinder/userfiles/files/9439361466.pdf
- http://soeurs-scjboran.fr/soeurs/upload/files/96525738833.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ca15c030da---dutuz.pdf
- http://77owship.netsociality.com/upload/files/senojivefazovidet.pdf
- http://elisa5888.com/shopadmin/upload/files/wewarub.pdf
- http://yonezawanet.jp/units/24250/zcycom/files/durugeropawapasedukenek.pdf
- http://th-hl.com///upload/files/61414120370.pdf
- http://architectureanddesign.it/userfiles/files/juzonugufulosa.pdf
- https://seikai.jp/free_images/files/23330058724.pdf
- https://optical-axis.com/uploads/files/202109230212404048.pdf
- https://xn--p3t29jo1ed4o4xw.tw/upload/files/45644758345.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=oh+edo+town+mod+apk
- 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_off0000c005.binf97a50aeac0063da9a3b1b263d1d4fd9d721d40633d78086c8c1facb053ff988 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC005 | 10456 bytes |
font_01_sfnt_off0000d79b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD79B | 16792 bytes |
font_02_sfnt_off0000efad.bin59f862e1500ca2fe9aa71d04c5f0bbfd5f7952f8fc004b91d8103240b3b401fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFAD | 16960 bytes |
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