MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code or redirecting users to phishing sites. Several heuristics indicate the PDF is part of a link farm hosted on compromised or disposable domains, suggesting a phishing or malware distribution campaign. ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.8989
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://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/amm8b6vunl1nq0l7lcb0i6buj5/43033190187.pdf In PDF document text
- https://dolnoslaskialarmsmogowy.pl/imgturysta/files/69900113534.pdfIn PDF document text
- http://friend5190.xyz/js/ckfinder/userfiles/files/54653995234.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d41dcada21---jopamemujin.pdfIn PDF document text
- http://agriturismocorteerbatici.it/userfiles/files/352445282.pdfIn PDF document text
- http://thefjordbaklawfirm.com/clients/876731/File/32211682684.pdfIn PDF document text
- http://cuboni.com/uploadfile/hong202107201028486688.pdfIn PDF document text
- http://xn----dtbfdwc0aaaev8k.xn--p1ai/ckfinder/userfiles/files/75650978572.pdfIn PDF document text
- https://srmresidences.com/images/bulk_images/files/todawer.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/14070622785.pdfIn PDF document text
- http://podushka.by/files/files/gafukodubetozaludoxis.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb4d19bded---jixipifo.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160abad97633c0---wuzimewumoketelil.pdfIn PDF document text
- https://saunadlaciebie.pl/userfiles/file/80190172619.pdfIn PDF document text
- http://i-harmonics.com/upload/files/81003972462.pdfIn PDF document text
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e85586f26---80978146962.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/kv23oohcu1s0v101ec4mr2k5v4/18881671587.pdfIn PDF document text
- https://diarch.in/WYSIWYGImage/file/96573664333.pdfIn PDF document text
- http://policylic.com/uploads/files/vamukiderafem.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160819cc60266b---padolatezomanunobe.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/429debeca04203ece3dd2251ba5060a3/livukatuliwowobulirov.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16092ccf1a0d26---41541828651.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+share+excel+spreadsheet+with+othersPDF 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_off0000e27b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE27B | 10684 bytes |
SHA-256: bb764ec4175aa7f2981ddae899157258e74e2738bd2071f7649cdf90019aee62 |
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font_01_sfnt_off0000fb2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001133d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1133D | 17004 bytes |
SHA-256: 4fb0a81ace7e0bc1c02e3892f1ce47bdca7feba0d8a24d408be2725b9153a5af |
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