MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised or disposable hosting sites. These links likely serve to redirect users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://gpe-el.pro/ckfinder/userfiles/files/bolupofivir.pdf In PDF document text
- http://pravkniga.ru/files/userfiles/files/dasalarozatejuripolaji.pdfIn PDF document text
- https://elnativocoffee.com/silver/upload/files/gafiloxejil.pdfIn PDF document text
- http://aylabawadi.ae/userfiles/file/soxiretuwagolapoko.pdfIn PDF document text
- http://agenziaimmobiliarecannavo.eu/userfiles/files/97188130604.pdfIn PDF document text
- http://studiorumeo.it/userfiles/files/wovinuninarexewukobeda.pdfIn PDF document text
- http://fobas.cz/userfiles/file/17424110096.pdfIn PDF document text
- http://classicalgardenstatues.com/uplds/file/virovajowedozofamabilopis.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd1516fa91---5100664987.pdfIn PDF document text
- http://www.neoneophytou.com/ckfinder/userfiles/files/13775025964.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/657a016362eff0999ffc5c5f05a802b9/bibapazofimosikegomuko.pdfIn PDF document text
- http://rzn-house.ru/upload/file/bilubalisotujufasipamibok.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/basokumof.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/tufoletofesunilivevatur.pdfIn PDF document text
- https://kawanmto.com/contents/files/kugisapawo.pdfIn PDF document text
- https://bdprescription.com/ci/userfiles/files/fosemevidami.pdfIn PDF document text
- https://pecsikult.hu/files/file/sevatijog.pdfIn PDF document text
- http://modernplating.com/userfiles/file/15951275242.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613045c565555---32445564916.pdfIn PDF document text
- https://dukeofmarshall.com/ckfinder/userfiles/files/73257143870.pdfIn PDF document text
- https://szelvedojavitasmiskolc.hu/files/files/69433662367.pdfIn PDF document text
- http://easyliveconstruction.com/ci/userfiles/files/pudegegigu.pdfIn PDF document text
- https://paklya.su/design/img/upload/file/98668309434.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=red+and+blue+stickman+apkPDF 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_off0000d7cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDD | 16632 bytes |
SHA-256: fa46d8f3d55f1c5dbcca1504fc38b85b524bb8ae961bc0e20db915b946906a46 |
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font_02_sfnt_off00011ae2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AE2 | 10832 bytes |
SHA-256: 1875a732b5db97e037012031404d5a5bd0d026e20c468affed0cfec3659fffaf |
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