MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to compromised WordPress sites and disposable hosting domains, likely to facilitate the download of a secondary payload. The presence of a 'download button' lure further supports a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://pixomot.ru/uplcv?utm_term=twitch+after+effects+plugin+free+download PDF link annotation
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/23g94p618mv0obqpgrnuvc62a2/57188815007.pdfIn PDF document text
- https://ocbond.org/userfiles/files/20884817511.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/29pd6027hn53cdigse34v9t78d/13811082498.pdfIn PDF document text
- https://n-zvuk.ru/upload/file/nojotefetubuxowajunigunu.pdfIn PDF document text
- http://dzbnf.com/upload/file/%5C/sesoxu.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/rk20m8829tidlpq3tmime0als1/35257420760.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/56345584453.pdfIn PDF document text
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609387bb3d366---vewivasosamusaxofube.pdfIn PDF document text
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/namerupisurimelobezen.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/ed70f6efd936b93a58fe868e9d10025e/13379175269.pdfIn PDF document text
- http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/68064549023.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073aadf3c3a7---zavotolegikiwigudibuwuw.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2923c17af4---zezavogozud.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/nuxapifamesekabop.pdfIn PDF document text
- http://china-hold.com/UploadFile/file/20210523025243822.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab284986182---samorupureritowifosafiza.pdfIn PDF document text
- http://yournamebadges.com/withyourdog/cms_uploads/file/32883991043.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6FD | 5456 bytes |
SHA-256: 634545f79837d0460207f09866c25b8311090148650a10054d532d8705905aa9 |
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font_01_sfnt_off0000f99e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99E | 10564 bytes |
SHA-256: e808bc0c5e433db88f053b5c2c113fd357f6f9fc7604bd37277770807e7c16d2 |
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