MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution attempt. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a pattern of hosting malicious content on potentially compromised or disposable infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.7547
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://empylean.com/wp-content/plugins/super-forms/uploads/php/files/oi2gufe0a1loeovihjdcdpv2ho/wojajamofuwekujoxux.pdf In PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092eb9a84a1d---6842416395.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abef9523ddb---482777321.pdfIn PDF document text
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c3ff2a530---3874765942.pdfIn PDF document text
- http://shinies.ru/img/lib/file/4800803296.pdfIn PDF document text
- https://associazionedynamica.it/uploads/file/pijazidaxuni.pdfIn PDF document text
- https://ibeguiristain.com/userfiles/files/kuzimisivalikuzuj.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/eb6a6b9835b4ec43970bbea9efedd0c5/61590322318.pdfIn PDF document text
- http://sungsam.net/userData/board/file/xelisikonevowe.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae95977102a---58598827662.pdfIn PDF document text
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/1d274ec6688559d9d9075748cd4b8ed7/32518585226.pdfIn PDF document text
- http://lamelove-zakryti.cz/userfiles/file/64986638502.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607920351795e---fadukiwuxudafaketova.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210603140329.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/7stsgc7eu3vgdej9q0trmiru7l/78353508034.pdfIn PDF document text
- https://noddy.nu/images/file/66506156135.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160757d0377e5d---lupasenotexed.pdfIn PDF document text
- http://imcborivali.org/userfiles/file/47312512584.pdfIn PDF document text
- http://klccpa.com/userfiles/file/wumivubupiba.pdfIn PDF document text
- http://jpind.pl/userfiles/file/12714123208.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/kfun4p29b965bg3cvv2r96qe83/loxinelojazirutorojek.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+answer+why+you+choose+this+jobPDF 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_off0000f9df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DF | 10844 bytes |
SHA-256: 223314f5e3b68c7ff87edaeba0cbed319d8947d0d3179d37df12e93fee2b8960 |
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font_01_sfnt_off000112dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112DD | 17172 bytes |
SHA-256: b1b5234a083314fc19fc6876502ec9d0762d6a1be49a41b529b73abb010cec36 |
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