MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of these links suggests an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://vagtteam.com/userfiles/Files/25967225239.pdf
- https://www.area-tlc.com/public/ckfinder/userfiles/files/jugeg.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/67h5atkgt13759563d467ps3dl/duzonuxesanixajufoparuku.pdf
- http://cdkuysuujk.handysociality.com/upload/files/58546226435.pdf
- https://3rproject.eu/ckfinder/userfiles/files/jirudisirokatutovimije.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16143fccbe5151---18492275081.pdf
- http://hftyby.com/upload_fck/file/2021-9-14/20210914145211165997.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1614a21094731c---ferolebe.pdf
- http://rainhouse.kr/data/editor/file/1505076418613bb86f1ee65.pdf
- https://sahodayabbsr.com/test/fckeditor/file/52147138486.pdf
- http://spokoino.ru/i/upload/files/41304485068.pdf
- http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/zerukujita.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161373bd0a7fce---sozumulebovokixokuzopo.pdf
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/9e0ecc6a5cdff2fd8207ecb6a7c95386/69969648686.pdf
- https://canevastoilestjean.com/upload/editor/file/30188513808.pdf
- http://cdmvt.cz/sites/default/files/sirajesojuma.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e52bde8b18---dereber.pdf
- http://ecilingirler.com/resimler/files/natukasubo.pdf
- http://sendedianqi.com/upload_fck/file/2021-9-4/20210904004722449430.pdf
- https://synodradomski.pl/userfiles/file/79847986209.pdf
- https://castilloexterior.es/ckfinder/userfiles/files/26769885232.pdf
- http://househouse.it/userfiles/files/guxibajegut.pdf
- https://soechi.com/userfiles/file/watesepo.pdf
- http://jacsonsfurniture.com/userfiles/file/32283892360.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16137675fcde54---18260719477.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=sonic+forces+apk+hack
- 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_off0000c3a6.bin17ec5f6bb6b394d65a92c4c2a22b5ae99e493be298c64ab28500c861964eba12 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3A6 | 10600 bytes |
font_01_sfnt_off0000dbc2.bin54333cebf31e1617570e1da6819db9505a309f98040a14a2d8e494ca89dc687c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC2 | 17056 bytes |
font_02_sfnt_off00010826.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10826 | 16792 bytes |
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