MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malware distribution scheme. The presence of a link farm with UTM parameters further supports the idea that this document is part of a campaign to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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=download+livescores+apk PDF link annotation
- http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/sobaloxavojuwemu.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/3956e409b2fe9a751d94252412d3f0ee/xupelaxiximu.pdfIn PDF document text
- http://dalnoboy.net/data/filestorage/upload/files/41915562758.pdfIn PDF document text
- https://sierrainstruments.cn/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/wikakirudopelasonotosejik.pdfIn PDF document text
- https://ermolino.mebel18.com/uploads/files/60292104353.pdfIn PDF document text
- http://seychelles-resort.com/images/blog/file/zikafilujinagokifuxali.pdfIn PDF document text
- https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/56572934415.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614da4eb008e4---8559902795.pdfIn PDF document text
- http://truhlarstvisollner.cz/data/file/90034188334.pdfIn PDF document text
- http://swaptoys.org/ckeditor/uploads/files/xesufodi.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/3bfef82133a70db0d8881bf58f260882/dilulunu.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///20219182910884.pdfIn PDF document text
- http://corse.annuaire-regional.com/ckfinder/userfiles/files/getajolidobuj.pdfIn PDF document text
- https://semangkabiji.com/contents/files/degamaluvavofosiduveru.pdfIn PDF document text
- http://moscow-vernisage.com/files/files/weguzema.pdfIn PDF document text
- http://misosmile.com/upload/editor/files/31748460067.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7a6924e92---27211258562.pdfIn PDF document text
- http://thenikharvconsultancy.com/userfiles/file/88701669501.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dffa74977e---17804001341.pdfIn PDF document text
- https://kga-am-adlergestell-ev.de/kga/ckfinder/userfiles/files/zegowijosazu.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc2de4febd---75194656382.pdfIn PDF document text
- https://wilocom.ro/ckfinder/userfiles/files/11102117575.pdfIn PDF document text
- https://kopari.hu/files/file/lifejujuritupiwu.pdfIn PDF document text
- https://tidymoney.com/ckfinder/userfiles/files/96689488675.pdfIn PDF document text
- http://cwesp.biz/upload/file/99514859319.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_off0000b51e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB51E | 10652 bytes |
SHA-256: 747c18d7ce9deaea6bc4002dd6f5040bb321d4acc44b1a80dc7edbe02d4605f3 |
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font_01_sfnt_off0000cda3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDA3 | 15040 bytes |
SHA-256: a270a139e7bc0eea48f635260e97efa020e8c53ac284997286c942ad7e5dcab2 |
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font_02_sfnt_off0000f3ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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