MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV detection and ML classification strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://krisoc.ru/uplcv?utm_term=hindu+names+from+s+for+boy PDF link annotation
- http://bjallstar.com/upload/file/luzunokedenonelun.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160db59dd0b8d5---33756053227.pdfIn PDF document text
- http://www.monts.sk/upload_images/file/giragapiwawizefurizisujal.pdfIn PDF document text
- http://biomisszio.hu/tmp/kirolijik.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/92fa06581225296fb2c879f87a6de262/zikesuzudaronovo.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/22688009787.pdfIn PDF document text
- http://nessium.fr/userfiles/file/pegutivokazapefidaso.pdfIn PDF document text
- https://penal-garazh.ru/files/58910654930.pdfIn PDF document text
- https://ideylia.fr/uploads/file/90485358515.pdfIn PDF document text
- http://ed-web.cz/userfilesfile/tagazopufoxeku.pdfIn PDF document text
- http://techscreening.com/userfiles/files/73778395056.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb12f14831---66366061185.pdfIn PDF document text
- https://hgindustrial.eu/userfiles/files/fisogejib.pdfIn PDF document text
- http://stoewebdesign.no/userfiles/file/mejosenusov.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/am4b68ipf32ai948thqgvrvh6o/55262483832.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/7jcda4h229jpr723cad0b0k3qr/welemagafegutez.pdfIn PDF document text
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/b30b20caf232b701a29911316590be00/ramavoxugepadel.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/db20ebd1b4c8c1b6a8bf177efeeb6827/63594271158.pdfIn PDF document text
- http://tramtronbetong.com/uploads/userfiles/file/kavaxezesopuxofat.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075bfde6985f---27758550028.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b9100cb667c---kemolenorexugiwuvopeluw.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083a703cb5c7---8248197512.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_off0000f057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF057 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010869.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10869 | 16868 bytes |
SHA-256: b175dc19caba21819a401452610abf56d3c7a87805ca1a4029c6cafc532079a1 |
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font_02_sfnt_off0001344e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1344E | 10716 bytes |
SHA-256: bafc4fd897c128f6eeca5ead98ac043e92370b913f52cbe8161547d7d7c1dee0 |
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