MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs, many of which point to disposable domains and are structured as a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high likelihood of this document being used for malicious purposes, such as phishing or distributing further malware. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 5
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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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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://cructi.ru/uplcv?utm_term=pokemon+xy+gba+apk PDF link annotation
- http://hkxhjfc.ltd/uploads/files/20210904200051.pdfIn PDF document text
- http://saatgaamkansarasamaj.com/admin/uploads/files/dexexojereligakop.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/ded7faf40aff61034666c06dbca24ac0/92468977517.pdfIn PDF document text
- https://8cj2aja7-8mxb.com/contents/files/16351882350.pdfIn PDF document text
- http://quiltingacademy.com/fckeditor/userfiles/file/92557754998.pdfIn PDF document text
- http://aviteksural.ru/admin/ckfinder/userfiles/files/48716336885.pdfIn PDF document text
- https://vanvoorst.info/uploaded/file/1584661573.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/48106094653.pdfIn PDF document text
- https://mobilaide.com/upload/editor/file/45122159230.pdfIn PDF document text
- https://bcbc3399.com/upload/files/59957898933.pdfIn PDF document text
- https://funbugs.ie/files/file/12913831063.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f49ba0881a---gikozekutozemajixiwe.pdfIn PDF document text
- http://vector-luczak.pl/new/fck_user_files/file/99327880956.pdfIn PDF document text
- http://tonioloclaudio.it/userfiles/files/28133861432.pdfIn PDF document text
- http://ibookingkr.com/FileData/ckfinder/files/20210903_498D6F0988585142.pdfIn PDF document text
- http://6nergy.fr/6nergy/sites/default/user/file/63546344831.pdfIn PDF document text
- http://cosmosimpex.com/app/webroot/ckfinder/userfiles/files/gefodijogos.pdfIn PDF document text
- https://aymsoft.us/aym_image/files/53500151049.pdfIn PDF document text
- http://nyett.hk/uploads/news/files/kosanek.pdfIn PDF document text
- http://sensor4you.com/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/2767083592.pdfIn PDF document text
- https://himarco.ir/basefile/himarcoir/files/7210682835.pdfIn PDF document text
- http://health-bridge.in/upload/file/temozamezimupazovisu.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_off0000d57b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD57B | 18532 bytes |
SHA-256: fd4fc84fd3f09de9b9c6820644eb9575327e3989cc426086fb151f4b488b6a45 |
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font_01_sfnt_off0001059e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1059E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011db5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DB5 | 10540 bytes |
SHA-256: 6602d74939886acdacfe1016f4350802e0aec46f5d762d45fc86bc8baf5a85a4 |
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