MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm designed to lure users to malicious content. The presence of PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this. No scripts were extracted, but the overall structure indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://garglob.ru/uplcv?utm_term=alternative+to+android+emulator PDF link annotation
- https://episcopiaoradiei.ro/files/29230609579.pdfIn PDF document text
- https://workinhotel.com/upload/fckfile/bulofiwojopenalif.pdfIn PDF document text
- http://clickvay.com/upload/files/dojigewininoropipawiwuxo.pdfIn PDF document text
- http://medi-sen.com/files/files/poniwuxodabu.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16134c53ea55ec---sirulitixezok.pdfIn PDF document text
- https://energooptima.hu/upload/File/duzodozametixikukatali.pdfIn PDF document text
- http://miass.realxenon.ru/uploads/files/xidexozip.pdfIn PDF document text
- http://czminghe.com/upload/files/guwikitisorivogoxaro.pdfIn PDF document text
- http://jdjcnc.com/upfolder/e/files/20210919023724.pdfIn PDF document text
- https://hotelindigha.com/FCKeditor/file/kimeze.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/bopunoz.pdfIn PDF document text
- http://ksnjl.com/userfiles/files/nawavixoro.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/tlc8eo0kqorntpcm4tm8oukonb/82950987926.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4e3ae3c55---29894717420.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/405b86facfdef486e18eafbf8c9bdf56/gepuzagexiluzewajorafibef.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae51e1b7a5---vetuvagurovaborixotabemus.pdfIn PDF document text
- http://www.saaegfpolis.org.br/ckfinder/userfiles/files/31122341807.pdfIn PDF document text
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/zafabezepibig.pdfIn PDF document text
- http://se-ty.ru/uploads/userfiles/file/gigudifu.pdfIn PDF document text
- http://tonioloclaudio.it/userfiles/files/dulijadodisigowogevos.pdfIn PDF document text
- 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_off0000e5c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fdd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDD8 | 17756 bytes |
SHA-256: 7e6a9464bbc4fcabaa79ba8fed99e08293f410bba6c02bb5706126a1b9efedba |
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font_02_sfnt_off00012b57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B57 | 10388 bytes |
SHA-256: ed1edff6c1c4073baa8b0fc3ac56a791506373e7b9af9e385a4d250f93e2f832 |
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