MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to multiple disposable hosts, suggesting an attempt to redirect users to malicious content or downloads. The presence of external URIs and a link farm on compromised CMS upload storage further supports the phishing and malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://synerhu.ru/uplcv?utm_term=rome+total+war+apk+free+download PDF link annotation
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/61110256598.pdfIn PDF document text
- http://sriagasthiyarastro.com/FCKeditor/userfiles/file/zonejudevelakorimegojapu.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146aca54682d---sixikituliso.pdfIn PDF document text
- http://studiopol.it/userfiles/files/pepudelinumagij.pdfIn PDF document text
- http://gazomotor.com/allinone/file/lazofukiwun.pdfIn PDF document text
- http://solar-makernavi.com/ckfinder/userfiles/files/wobufaxasiratawego.pdfIn PDF document text
- https://esterkins.de/ckfinder/userfiles/files/35140744413.pdfIn PDF document text
- https://isagrinio.gr/userfiles/fajakux.pdfIn PDF document text
- http://www.pro9apps.com/app/webroot/files/uploadimagesfile/21648505651.pdfIn PDF document text
- https://airxps.com/userfiles/files/savejoxususalo.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/965c5a779dfbd5e9191a3452497b1e91/21228064187.pdfIn PDF document text
- http://faradbox.pl/files/file/33864560469.pdfIn PDF document text
- http://xn--80aafjbaeihgganggf9ajkncugh2a.xn--p1ai/pict/file/34984754601.pdfIn PDF document text
- https://lawweb.info/mycms/admin/userfiles/file/jemupukemuwezalegikenobi.pdfIn PDF document text
- http://piotrkowska77.pl/zdjeciafile/zumuwolotipitesomaka.pdfIn PDF document text
- https://tsegypt.com/file/puriwadefeduzinuvegejo.pdfIn PDF document text
- http://style4.allwebeasy.com/userfiles/files/74272532411.pdfIn PDF document text
- http://gabinetortodontyczny.eu/userfiles/file/97299971077.pdfIn PDF document text
- http://progetec.org/userfiles/files/vofobetopomafuta.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161415a05881f0---68447960866.pdfIn PDF document text
- http://border-collie.ru/sites/default/files/file/vibibuwaparozufugowovusa.pdfIn PDF document text
- http://vipforiraq.com/userfiles/files/84742039636.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_off0000e167.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE167 | 10624 bytes |
SHA-256: 9548fc82cb3d505938d257fab21af5ddafa33f1e4374f3f9f9496c9c7031868c |
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font_01_sfnt_off0000f9c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000111d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D2 | 17772 bytes |
SHA-256: 3e6eec6d949539cc99b78b4826463974ba67d084a1b4d81aff8aa4e9eb1e372f |
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