MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to potentially compromised websites or disposable hosting. These links likely serve to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://allytemp.ru/uplcv?utm_term=epson+perfection+v600+user+manual PDF link annotation
- https://sreekanakananda.com/ckfinder/userfiles/files/65598832095.pdfIn PDF document text
- https://olgunbey.com/upload/ckfinder/files/71088985738.pdfIn PDF document text
- https://mavibusiness.it/file/toxatoberuz.pdfIn PDF document text
- http://baaningdoi.com/file_media/file_image/file/nenapitefojiruvuxepivo.pdfIn PDF document text
- https://kuraniterbiye.com/resimler/files/56235694695.pdfIn PDF document text
- https://arabadvertise.com/userfiles/files/23516316226.pdfIn PDF document text
- http://szyuangang.com/UserFiles/file///tesovaguregigojadixof.pdfIn PDF document text
- http://sklep-pinokio.pl/web/uploads/files/jidimerivetofosov.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/350086c1c85a8d6d6ef557af4dd9b349/81695259204.pdfIn PDF document text
- http://globalcentral.net/contentupload/fckeditorUploads/organization_/file/pagivelepaba.pdfIn PDF document text
- http://eventclub.pl/userfiles/file/50747690119.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/29e54af21e0d120b7507a0fcaca7d6ad/juzuzonesavo.pdfIn PDF document text
- http://fkjz.cn/upload/files/2021/09/202109250831124081.pdfIn PDF document text
- http://krupongs.com/images/file/42997084963.pdfIn PDF document text
- https://sintasyapi.com/img/userfiles/file/55015775483.pdfIn PDF document text
- http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/79740209471.pdfIn PDF document text
- http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46228710942.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/27110481310.pdfIn PDF document text
- http://esipro.be/userfiles/file/45461080916.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/6237160603.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/gdp0vlv6fqfasmb3v0kdh7i6g3/50551717518.pdfIn PDF document text
- https://www.fangjin.org/ckfinder/userfiles/files/49611583206.pdfIn PDF document text
- http://tnslib.su/userfiles/files/64171373556.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_off0000ef92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF92 | 11080 bytes |
SHA-256: 224ea80d9f76f74f0361f792a87969a1f22bdcf0fe167d2bddf43180623950f1 |
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font_01_sfnt_off00010973.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10973 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012185.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12185 | 18196 bytes |
SHA-256: b3807e8aac2e91a5ee9e99d7e0a766a299ab2bb17371c6048678a43eef16a0d2 |
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