MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, suggesting an attempt to distribute malicious content. The ClamAV detection and ML classifier indicate a high likelihood of malicious intent, specifically a phishing or trojan payload disguised as a PDF. No scripts were extracted, but the structure and URL patterns are consistent with malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.6907
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 http://humidorio.de/ckfinder/userfiles/files/54914075674.pdf In PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b355b870150---doduxexikebewasopebuvol.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607ade2602573---jaxudedajinolu.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c0995aa6db1---9346640235.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/b9560d952a757ab70bc0bf4118f9ec3d/40235313242.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607c42733336e---zagud.pdfIn PDF document text
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d4451e42b---19793317713.pdfIn PDF document text
- https://marljivo.hr/UserFiles/files/36420643108.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ae920762935---mizemibe.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/45689566166.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bdec1d87834---tapobuvopolo.pdfIn PDF document text
- http://moreit.ch/productinfo/file/3693314863.pdfIn PDF document text
- https://aakritidigitals.com/userfiles/files/92952817144.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8a67ce7281---47384336120.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c64c9a8fb30---73520365480.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b96b8bd2e1---dojekekulixokiwesofaloni.pdfIn PDF document text
- https://sealskinz.ru/files/file/99778814892.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f00c1c7d8a---12272578158.pdfIn PDF document text
- http://capitaldanceacademy.com/userfiles/files/40238638912.pdfIn PDF document text
- https://local-atlas.ru/userfiles/files/pakenugigege.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/20763213866.pdfIn PDF document text
- http://ilovehikari.com/uploads/files/wuximuz.pdfIn PDF document text
- https://baongochoa.com/upload/file/59354851558.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=surface+profile+gd%26tPDF 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_off0000ba90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA90 | 16368 bytes |
SHA-256: 70e0788a07abf7dbf0dc2e323cebe4290220c0affcf35cbdbd34316396a6a742 |
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font_01_sfnt_off0000e4aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4AA | 10600 bytes |
SHA-256: 12a1a1e1b07c989ec8f7d2266bcd96e96bb5ac855f702953b4e1d8ca80b45629 |
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