MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many pointing to compromised WordPress sites. These links likely serve as a lure to download further malicious content, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.8295
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1e5517dc6---fawulejenusag.pdf In PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/0beb177cd0e09755a8a6ad4b8a7f9be4/jipovu.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160996aaf8014d---nalox.pdfIn PDF document text
- https://chris-arnold.com/userfiles/file/4925266432.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5d72d7a59---55682526679.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/78b745a3c53381f6f777621b3322cf2b/39400577576.pdfIn PDF document text
- https://profix.fr/ckfinder/userfiles/files/34238647825.pdfIn PDF document text
- http://bbpcosmetics.com/admin/upFiles/2021-6/file/kexevorosanote.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/5b3be244605cfac6b5b7eff8d63e630d/99980822609.pdfIn PDF document text
- http://heritagecarletonplace.com/clients/c/c2/c23aa4fb54f25340752d20cfcff880b2/File/14287691714.pdfIn PDF document text
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/9891f6ca246386b63f128638a2f49ad2/tumekeposukadomarilax.pdfIn PDF document text
- http://yogaschoolofkerala.com/photos/editor/files/pakelubov.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/767550cc17d696f0efaa898a2c4a8e12/26327728306.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/lb0konbm410i5np8v2sur2iuqt/28899708959.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b79a1acff02---81708193433.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070366d3cb42---pitikarigub.pdfIn PDF document text
- https://uleshuzataruhaz.hu/files/file/bodatopaloreb.pdfIn PDF document text
- https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607b63317c40b---vigogo.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/benizovag.pdfIn PDF document text
- https://mma-montessori.com/admin/ckfinder/userfiles/files/22290908616.pdfIn PDF document text
- http://albarossa.jp/js/upload/files/rodinu.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/kotidiwox.pdfIn PDF document text
- http://myjobcareer.net/userfiles/file/2021061116495773499.pdfIn PDF document text
- http://ccforum.kr/uploads/file/1623633166.pdfIn PDF document text
- http://karpatskiles.ru/store/files/50254793676.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=outlook+no+pdf+previewer+installedPDF 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_off0000e91a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE91A | 10860 bytes |
SHA-256: 438ac063528c4d4082169fabea59a583247ab291c8fa5bd4ba8f09ce325f4848 |
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font_01_sfnt_off0001026c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1026C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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