MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also features a link farm pointing to compromised WordPress upload directories, suggesting an attempt to host and distribute malicious files. ClamAV detection as Pdf.Phishing.Trojan further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.5708
Heuristics 6
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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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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 https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/2f1bb1712b5b31f0c143d02be0d2ff28/83843561595.pdf In PDF document text
- http://all-vehicle.net/js/upload/files/sawazuxiwowetekap.pdfIn PDF document text
- http://020tzs.com/baige/images/userfiles/file/jizumanebopixiruki.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/7b2703f50500d686d10af1c655893fb2/vaniwevisoviket.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd1c29262d---kajosija.pdfIn PDF document text
- https://oxfordjsr.com/userfiles/file/tovilazep.pdfIn PDF document text
- https://aradovan.com/userfiles/file/jutag.pdfIn PDF document text
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608907f18f0cf---83001541489.pdfIn PDF document text
- https://sce.tw/uploads/files/60c1a809216d2.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082c76f468ae---vujajadiwofiv.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/1gd3r5drep5gont2qveupeqca2/faxalumuborigife.pdfIn PDF document text
- http://hocikto.info/userfiles/file/49952516394.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c5b0aba75---zumisuzufa.pdfIn PDF document text
- http://brkvinc.com/userfiles/file/zopulujevelimopi.pdfIn PDF document text
- http://yushendesign.com/images_fck/file/1630517542.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c896a0befabeceaac54fb738f20d743c/34666963583.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16073b4633c3cd---48979525487.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/gebjfdvivfnqajnh5001ulj1d4/8858116997.pdfIn PDF document text
- http://hoadondientu-ptp.vn/images/ckeditor/files/gunititukobebigusekozeme.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/28e8694f67cfdc581c44026efcc17824/limuvobi.pdfIn PDF document text
- https://dolphinsolutions.net/ckfinder/userfiles/files/bokarem.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/shsmc6a6g872n5bcvjs3o8se03/mefoxokugajad.pdfIn PDF document text
- http://burrburroughsfamily.com/clients/55468/File/40143634144.pdfIn PDF document text
- http://nuraski.pl/wsg/userfiles/nosaxezozinetagijif.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=sources+of+visible+light+wavesPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e75c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE75C | 18632 bytes |
SHA-256: 4afed8d7bae3afabdec009ed7bcbe38e5be2b53d38a1d9989ce01bf2c45feeb4 |
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font_01_sfnt_off00011727.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11727 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F3E | 10976 bytes |
SHA-256: de2db180ae3f79492f642f419eb53382f4fa1fe8d8dea68a102b70e2c34e5a8f |
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