MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, forming a link farm. The primary function appears to be redirecting users to potentially malicious external sites, consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://www.ettermanenterprises.com/ckfinder/userfiles/files/zupidurupavub.pdf In PDF document text
- http://metall-press.ru/files/nizorisamosaga.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/u8g322cl16odur13t07jjrup9s/76407676122.pdfIn PDF document text
- https://ispartaorganizasyon.com/ckfinder/upload/files/luweregujukes.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133f8aa2d447---55804314109.pdfIn PDF document text
- http://janjoling.com/public/ckfinder/userfiles/files/mibavasiwufevuta.pdfIn PDF document text
- https://dazhonghua1688.com/ckfinder/userfiles/files/69147017850.pdfIn PDF document text
- https://stockbauer.hu/uploads/file/zenoroxibuziwazajopo.pdfIn PDF document text
- http://pwmtqatar.net/userfiles/file/wififenolepi.pdfIn PDF document text
- https://openkomm.yussfone-crm.com/userfiles/file/tuxol.pdfIn PDF document text
- http://amandatravel.com/userfiles/file/furasezox.pdfIn PDF document text
- http://gruppocreta.com/userfiles/files/faxotijutalunofozuvaruban.pdfIn PDF document text
- http://zjgyuanhong.com/v15/Upload/file/2021922128128104.pdfIn PDF document text
- http://wcsps.com.tw/ckfinder/userfiles/files/51957195266.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613782df992ba---kezewowixavepa.pdfIn PDF document text
- https://underworldgear.com/admin/images/fckImg/file/92393062761.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7af4ae6ee---16987403370.pdfIn PDF document text
- http://xn--80aikni6a0b.xn--p1ai/images/file/xalevuvozogexusem.pdfIn PDF document text
- http://vetportonaccio.it/userfiles/files/58673845616.pdfIn PDF document text
- http://iccjsc.com/images/uploads/files/91269382032.pdfIn PDF document text
- http://telek-trans.hu/editor_up/55438298191.pdfIn PDF document text
- http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77516462745.pdfIn PDF document text
- http://minhanh.com/files/xilukisogemupikira.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+to+take+screenshot+in+galaxy+j5PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- 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_off0000d638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD638 | 11156 bytes |
SHA-256: 167de1433c1ab5bfb6dc92ed370e1d73bdaa7deb22f3d19d74ee203a4225c0e7 |
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font_01_sfnt_off0000f053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF053 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010865.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10865 | 18272 bytes |
SHA-256: e86b2aad7c6fd525c56c1c8e88d00ea7d28c10d3074597282a334f5eb29dff9f |
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