MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links strongly supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://huntic.ru/uplcv?utm_term=stumpy+tail+cattle+dog+for+sale PDF link annotation
- http://alituncer.com/userfiles/file/riwabotiziwodatamevene.pdfIn PDF document text
- https://szud94.hu/img/sajatfile/files/gufapipovof.pdfIn PDF document text
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/5c11f5ce78e50ac10f130596b6c0f5fa/41801253232.pdfIn PDF document text
- https://bharatbiodiesel.com/userfiles/file/jexorapegananetida.pdfIn PDF document text
- http://kojeneckezbozi.eu/userfiles/file/xaxed.pdfIn PDF document text
- http://a-daily.jp/app/webroot/contents_img/files/dufekejodozi.pdfIn PDF document text
- http://analogsys.com/uploaded/file/203666803660d1f9c175327.pdfIn PDF document text
- http://veterinariogiardinelli.it/userfiles/files/43705721732.pdfIn PDF document text
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/2f7113e6f957ab509d0ec42931b3a43c/xisufedorezesitelokifexug.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/sdh3cqe84m153rs0icnhl1perr/zanonomorubetegawofife.pdfIn PDF document text
- http://vladjurnalist.ru/archive/file/1827984740.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609abcb9068b8---burululudavubusexo.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078715d257d3---nopix.pdfIn PDF document text
- https://munord.com/wp-content/plugins/super-forms/uploads/php/files/dfd13f6cf638fc517c868cc38140e80a/472685033.pdfIn PDF document text
- http://zulassungsservice4you.de/bilder/file/gulex.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/nobomalubigopebixan.pdfIn PDF document text
- http://maxidmum.com/images/upload/fck/file/11505810594.pdfIn PDF document text
- http://barsugo.com/ckfinder/userfiles/files/desofo.pdfIn PDF document text
- https://alajuusa.ee/media/contents/file/97636810935.pdfIn PDF document text
- http://mopron.ru/upload/files/97348398953.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/3504bbd925675826667f5ad74f5ddf93/sikugalemosudukikiwawumi.pdfIn PDF document text
- http://meyanko.com/userfiles/file///karar.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073fd3f7d698---24687466168.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607000a8eeb02---dojanixijobowilokid.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/dhrngkvfbg1cjmvb5d5o8u3jpi/mosor.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_off0000e9be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000101d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101D0 | 16720 bytes |
SHA-256: 419fbe13c991f1012aead11e2aa42bae8cd68415b5121b4b4b287c6786626bc7 |
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font_02_sfnt_off00012d4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D4C | 11148 bytes |
SHA-256: 44bda345279798f42492fe648d1abea8ddf67ecfda9343733f0da887af62048d |
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