MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF document identified by ClamAV as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a deliberate effort to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier clean score 0.2255
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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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://flour.co.uk/ckfinder/userfiles/files/sogarin.pdf In PDF document text
- https://autosaloncenter.com/uploads/file/22578861235.pdfIn PDF document text
- http://merrygoldholidays.com/ckfinder/userfiles/files/bijuvagukiviresafufelovuk.pdfIn PDF document text
- https://alternativecarrepair.com/userfiles/file/81184223275.pdfIn PDF document text
- https://ajambary.com/userfiles/file/kakogarolukarezogok.pdfIn PDF document text
- http://peter-scherer.de/userfiles/file/vumipukogotunurulup.pdfIn PDF document text
- http://cleanking.net/userData/board/file/bawevo.pdfIn PDF document text
- http://smartpaintingplus.com/userfiles/files/57024841267.pdfIn PDF document text
- http://bargiel.com.pl/ckfinder/userfiles/files/folumupikurozonujubevitaw.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdcaf98882---rugiruxo.pdfIn PDF document text
- http://leebyunghun.org/new/upload/board/files/zatifofikiwapikowafawaga.pdfIn PDF document text
- https://demetraproject.eu/ckfinder/userfiles/files/jomolovorafixumejolu.pdfIn PDF document text
- https://westhygiene.hu/editor_up/59455266762.pdfIn PDF document text
- https://taxforce.nl/userfiles/files/napusafijosuwovez.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/d0843f5753df0c35067de75837fafdca/44816594564.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/78334619313.pdfIn PDF document text
- https://www.icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/giridobodab.pdfIn PDF document text
- https://netcsemege.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/gakisi.pdfIn PDF document text
- http://life-worldwide.org/assets/uploads/files/bufepikoveleweliw.pdfIn PDF document text
- https://2winit.com/Files/files/mekebobuwunarizipe.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/0166038bbc197c2a5c8779827c98a5a3/42718297395.pdfIn PDF document text
- http://japan-railpass.info/images/blog/file/76723380639.pdfIn PDF document text
- https://faktxeber.ru/resimler/files/22039467242.pdfIn PDF document text
- http://puebloexec.com/userfiles/file/wagagewabujiwivavafu.pdfIn PDF document text
- http://4seasonstours.in/userfiles/file/latomuji.pdfIn PDF document text
- https://agermag.ro/mm/file/29467627259.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=fall+guys+android+play+storePDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFDB | 17624 bytes |
SHA-256: 10d7ca381dc84c3e11b9fa2ccd9a61881b36a490e4194e9e25ed149c6187b2fb |
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font_01_sfnt_off00010dc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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