MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as a PDF containing a link farm, with several URLs pointing to compromised CMS uploads and disposable hosting. The ClamAV detection 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0' strongly suggests a phishing or trojanized document. The presence of numerous links, many on potentially untrusted domains, indicates an attempt to lure users to external resources.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4817
Heuristics 5
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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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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://bursac.net/userfiles/file/pavorufi.pdf In PDF document text
- https://adsbudget.net/userfiles/file/muriruxonuketodogizizu.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/vc3gigeddhfo4k95uv9d3ivdrv/xugeripixaxasazamam.pdfIn PDF document text
- http://gongotour.com/FileData/ckfinder/files/20210911_E8A4ED4B38408460.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1613b26ba3dee3---73939739135.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/a0iot2ejc0jik4fhtfl40bs5cb/70937484207.pdfIn PDF document text
- https://sssmri.com/ckfinder/userfiles/files/65219849997.pdfIn PDF document text
- https://yuanfuconstruction.com/ckfinder/upload/files/81084705485.pdfIn PDF document text
- http://nanumed.ro/uploads/files/27427198197.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/f5e6f4a287f39edacdd43056620ce452/fifenexe.pdfIn PDF document text
- https://bda.ch/ckfinder/userfiles/files/puzepalalisuvepexidixel.pdfIn PDF document text
- http://rsst77.ru/upload/files/35983012222.pdfIn PDF document text
- http://henzefashion.com/userfiles/file/zizimejiko.pdfIn PDF document text
- http://pro-customer.de/userfiles/file/28592229437.pdfIn PDF document text
- http://quesnelbusinessnetwork.ca/userfiles/file/debowemug.pdfIn PDF document text
- http://vinhthuanvietnam.com/upload/files/zipamumig.pdfIn PDF document text
- http://romovi.net/sgi_userfiles/userfiles/files/94583049803.pdfIn PDF document text
- https://jagamimpi.com/contents/files/79144820951.pdfIn PDF document text
- http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/59761469321.pdfIn PDF document text
- http://skisun.it/userfiles/files/vufugajixagem.pdfIn PDF document text
- http://haozuowenwang.com/imagefiles/file/68846757999.pdfIn PDF document text
- http://debschoen.com/userfiles/file/zeruri.pdfIn PDF document text
- http://cbestdesign.com/ckfinder/images_store/files/mibeguw.pdfIn PDF document text
- https://uzsienis.cvzona.lt/resources/img/files/kipob.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=best+universal+remote+app+for+androidPDF 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_off0000c8da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8DA | 17464 bytes |
SHA-256: 97d91a443df033264d0b8a99f47d527cdf7eec704742236ae5ca08c3dce04d39 |
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font_01_sfnt_off0000f66f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF66F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E86 | 10880 bytes |
SHA-256: c5106da4592237596329e6fade57cc9b4b93ee4fad089db76446c4dabf0e9e07 |
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