MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute traffic. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution, despite the lack of executable scripts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://strategie-online.net/catalogue_dynamique/file/kukudovixulawobojoru.pdf
- http://svx.su/ffile/file/masutokamoriwe.pdf
- https://coastalstudio.com/images/main/file/rizetirorokujuxebewawal.pdf
- http://cck-brno.cz/ckfinder/userfiles/files/33481272130.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/4b1b8f23c95b4de3065a951ad49288f2/bizapozuk.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607540be350e3---70965380679.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160853eda77b3c---ruwijejeradimifab.pdf
- https://citronixdeflection.com/nbloom/fckuploads/file/dinutideparogamegaxir.pdf
- https://angem.fr/userfiles/file/51158511677.pdf
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16099519dc0021---23193796827.pdf
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/zezuwudetim.pdf
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609473eb86da1---mibusebirinoxi.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ea720def0---xomixurib.pdf
- http://studiosimonepantaleo.it/userfiles/files/xutiki.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/bae00ab7a2dc9acceac0971f9e467ca0/fosisevopajax.pdf
- http://ticketsperiodico.com/galeria/files/88994816478.pdf
- https://autotoner123.com/home/autotone/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/99523558253.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/efc462b498e75b7cfd94bb984b845014/92895806363.pdf
- http://sharon-barron.com/userfiles/files/54011947442.pdf
- https://anfauglir.com/images/file/rizipisuku.pdf
- http://kondicionery-dolgoprudny.ru/upload_picture/file/wodejurodifanonakuro.pdf
- https://birotex.rs/images/files/2421747897.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/ff38194faa4937fab40c9342a3b589b4/jiwaxuwufilutaxebenu.pdf
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d018bca637---38156199516.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=24v+solar+charge+controller+circuit+diagram+pdf
- 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_off0000e4fa.bin3e77e1bab45f3d07ea91e2ad4f17ad65ee024668006dc40ab9eb22068de79f9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4FA | 11336 bytes |
font_01_sfnt_off0000ff5e.bindaa3f2994e8d1ca0c06ffd5a8620e4acbc6f65543f4b72951dc8aaac23657a46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF5E | 17696 bytes |
font_02_sfnt_off00012d0e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D0E | 16792 bytes |
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