MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many pointing to domains that appear to be part of a link farm, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic. The primary purpose seems to be directing users to these external links, which are likely used for SEO manipulation or to host further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.7486
Heuristics 4
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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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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 http://pilgrimland.com/sites/default/files/webform/resume-uploads/40494538869.pdf
- https://www.termis.org/system/files/webform/dexifivoneput.pdf
- https://www.a1touchsolution.nl/sites/default/files/togivem.pdf
- https://www.jwico.com/sites/default/files/webform/41164207556.pdf
- http://www.pbttphtk.gov.my/sites/default/files/webform/nolukaronedibikix.pdf
- http://cicatsalud.com/html/sites/default/files/webform/buvonajevomowetizebijix.pdf
- https://ambrose.edu/sites/default/files/webform/28695523124.pdf
- http://pilgrimland.com/sites/default/files/webform/resume-uploads/pakajumotarowumomudiro.pdf
- https://www.mainephilanthropy.org/sites/default/files/guvobirewuge.pdf
- http://klm3fg.grhosting.cz/sites/default/files/webform/files/16831560309.pdf
- https://www.woonsocketri.org/system/temporary/webform/makepepatamizozixijefawop.pdf
- https://www.jwico.com/sites/default/files/webform/xojisipet.pdf
- https://www.osgeurope.com/sites/osg-corporate.dev/files/webform/80982398497.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.opentle.org
- http://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=starting+a+small+business+in+south+africa+pdf
- http://scripts.sil.org/OFL
- http://www.gnu.org/licenses/gpl.html
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e187.bin931f0121dc0c1c0414bb3cb71200cfec5cdb9e7d250b99b8f6936aedcdd14438 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE187 | 5812 bytes |
font_01_sfnt_off0000f516.bincb159cc9d714520fdf604515834a8e5d6ccdf81551317d8133b939af7313f940 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF516 | 6068 bytes |
font_02_sfnt_off000104c6.bin3ab7e5b94b7fcabe28040327359d37a81fc98d8f05bb692315ae9ab223aa6768 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C6 | 10652 bytes |
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