MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm with numerous external URLs. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates the PDF is designed to host many links on disposable domains, suggesting a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attack pattern involving redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://crysiq.ru/uplcv?utm_term=log+chopper+mm2+value PDF link annotation
- https://ymvii.com/admin/upload/files/93090040679.pdfIn PDF document text
- http://stonepigments.com/userfiles/file/xoxuk.pdfIn PDF document text
- https://mavibusiness.it/file/66129537479.pdfIn PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/pupitujegajopawun.pdfIn PDF document text
- http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/5750035455.pdfIn PDF document text
- https://metnar.pl/web/uploads/files/45352993505.pdfIn PDF document text
- http://wefocusdesign.com/upload/files/60427533449.pdfIn PDF document text
- http://safarang.com/basefile/files/55631167966.pdfIn PDF document text
- http://dfwsedan.com/nbloom/fckuploads/file/86425680333.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/xizef.pdfIn PDF document text
- http://9275522-travel.com/userfiles/file/81130783437.pdfIn PDF document text
- http://rracc.com/file_media/file_image/file/fesasemexumuzuzubez.pdfIn PDF document text
- http://houselandia.ru/files/81645345859.pdfIn PDF document text
- https://condominiovillage.com/userfiles/file/74867744510.pdfIn PDF document text
- https://nordiskvillaventilation.dk/userfiles/file/xinuvovinomisojerukaji.pdfIn PDF document text
- https://shreenathtechnologies.com/userfiles/file/11685298038.pdfIn PDF document text
- http://phanmemerp.vn/attachment/files/petogul.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/velisikujokukezixunon.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/81139463092.pdfIn PDF document text
- https://b2bircruise.travflex.com/bot/ckfinder/uf/files/dijirojuzanul.pdfIn PDF document text
- http://uptindia.com/newsimages/file///rokokutawemon.pdfIn PDF document text
- http://intelekt.biz/uploads/pages/files/49979662492.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613259f2c1880---39735439689.pdfIn PDF document text
- http://dycelife.com/userfiles/file/xovatufozodilipeb.pdfIn PDF document text
- http://indexone.ru/upload/file/53587642037.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_off0000d492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD492 | 10604 bytes |
SHA-256: 1ab7f669c28126dc06a49656833460f35d0f2746fdedf41611964aeb2cd1c1f1 |
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font_01_sfnt_off0000ecdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECDB | 17224 bytes |
SHA-256: 367555ee01f860c14fb1306e0f1328abb57543fab2de26bb252d0caf9b49e16a |
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font_02_sfnt_off00011991.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11991 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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