MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and ML classifiers. It contains numerous links, many pointing to potentially compromised or disposable hosting, suggesting a link farm or phishing lure. The 'SE_LOLBIN_RUN_COMMAND' heuristic indicates the document text may contain commands or exploit-related strings, potentially attempting to execute malicious code or redirect the user to further malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.5906
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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 http://phayaotechno.com/UserFiles/File/8569480452.pdf In PDF document text
- http://chromowane.com/userfiles/file/5388094763.pdfIn PDF document text
- https://drddvichitra.com/userfiles/file/91040752838.pdfIn PDF document text
- http://zzlhlt.com/userfiles/file/LianMeng202109172316037657.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380a47ec158---nukaxegof.pdfIn PDF document text
- https://kapokcmassage.com/uploads/files/202109011505421393.pdfIn PDF document text
- http://e-skala.pl/userfiles/file/88904419825.pdfIn PDF document text
- https://vpmemorial.net/images/file/petet.pdfIn PDF document text
- https://zenmobile.in/jaipriyart/uploads/files/nimaxuziba.pdfIn PDF document text
- http://salman-is.com/userfiles/file/lobejuzugebalofavotupebe.pdfIn PDF document text
- http://charmingcurls.se/upload/file/runufexipig.pdfIn PDF document text
- http://ukrfirework.com/images/file/74595552513.pdfIn PDF document text
- http://jsjxh.org/filespath/files/20210917085716.pdfIn macro / runtime command snippet
- https://censcakmu.org/board/file/files/mugifitefepupudojirisuzam.pdfIn macro / runtime command snippet
- https://natyabio.com/uploadfiles/83763900541.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140450f93721---woranawawitade.pdfIn PDF document text
- http://geodavidepini.it/userfiles/files/62176162795.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161395502c7297---buzuxur.pdfIn PDF document text
- http://pinxedien.net/upload/files/fuvetetozusuna.pdfIn PDF document text
- https://qwert5.com/psum/admin/userfiles/file/likexetozizut.pdfIn PDF document text
- http://cs-web-design.de/ablage/userfiles/files/39203512608.pdfIn PDF document text
- https://www.truck-transport.com/ckfinder/userfiles/files/givimerinutikes.pdfIn PDF document text
- https://braindevelopmentmaps.org/userfiles/files/jogavolefolu.pdfIn PDF document text
- http://teormech.ru/teormech/usrimg/file/bozinibaxutixalizadu.pdfIn PDF document text
- http://phuvuongcorp.com/luutru/files/76686621356.pdfIn PDF document text
- http://mamnonhieutrung.edu.vn/ckfinder/userfiles/files/50115566526.pdfIn PDF document text
- http://ukrfirework.com/In macro / runtime command snippet
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+create+icons+for+android+applicationsPDF 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_off0000c61d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC61D | 17516 bytes |
SHA-256: 7b858a75f7011570bb479bd0c618cc0ee93788bb68411a9781472bdbb20746e2 |
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font_01_sfnt_off0000f348.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF348 | 10688 bytes |
SHA-256: d6133579cbb32ee4fc470c7db7e190c2334ae120dcfb3fb487a686badebe1e78 |
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