MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and ML classifiers, indicating a phishing or trojan payload. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics strongly suggest this PDF is part of a phishing campaign, likely using spearphishing attachments as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.8784
Heuristics 5
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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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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://amirep.com/wp-content/plugins/super-forms/uploads/php/files/037144415bc4cca81e0f1b6f52a98143/96139401922.pdf In PDF document text
- http://cjatkinson.com/userimages/dipemufafixevevamomip.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160923f2f23ea2---memeriwegunotabojunidefez.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/wizopadavad.pdfIn PDF document text
- https://dadesigning.com/daduserfiles/files/68069255314.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/66508e9eb4a5031820462fbfa72a0948/92666947525.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/15tqqj9j0mdbe970fc1npl5t06/88320941611.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160e38170eae21---mesesijafulesafubamo.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/049703438f5eeae48f67f04728a6b999/depexeketiwufejadakudez.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16089b241debfe---tigapi.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6304d777f---saxavepukaroxegenojelaf.pdfIn PDF document text
- https://widepolymers.com/userfiles/file/48765909451.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804d145bcdd---pibibopozuwa.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608218963417d---17107479489.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/c48dc59a879e29822075c21f1a2d9cb7/nufuditi.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/b06e8190b683fbef57e4dd49c7477a81/gizobumujog.pdfIn PDF document text
- http://asianaccounting.com/admin/fckeditor/userfiles/file/39709110869.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/ea65c426b31322d42198d3e9955b02ae/40200747682.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b9aab493a90b634f5e06a1fb44b2f5f0/penevarewugitel.pdfIn PDF document text
- https://hotelite.in/userfiles/file/peladakewibakowo.pdfIn PDF document text
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075937521e58---30350413766.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/7447373002.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/69c43ff80e83fb8dc15081c2e40d435b/34964753221.pdfIn PDF document text
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/moimf4agcd65i75priudb9olo2/dorelatajuzexunifonake.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/68794856402.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+reset+maytag+bravos+xl+washer+to+factory+settingsPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fe7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE7F | 16988 bytes |
SHA-256: 885860db69ab1c74691095bb972f26b285d820299f6c8bb9787b8e9d010b4b3f |
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