MALICIOUS
126
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 malware distribution attempt. The document functions as a link farm, containing numerous embedded URLs pointing to other PDF files hosted on potentially disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a malicious intent to distribute content or phish users through a network of linked documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://catamma.ru/uplcv?utm_term=hd+wallpaper+for+android PDF link annotation
- https://grouptm2.com/contents/files/kuzolaw.pdfIn PDF document text
- http://jlssj.com/qianzi/upfile/case_editor/file/49685592677.pdfIn PDF document text
- http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/36596029058.pdfIn PDF document text
- https://alusol-kw.com/ckfinder/userfiles/files/wopufofopunoxodep.pdfIn PDF document text
- http://ranaghatpchsschool.org/userfiles/file/patotiwojumitujakazulux.pdfIn PDF document text
- https://vrrc.heart.net.tw/ckfinder/ckfiles/files/81663271177.pdfIn PDF document text
- http://www.anapharmata.hu/ckfinder/core/connector/php/files/24848000117.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/44075819611.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/abff999551c60aa36ea49bd2b2f2addd/11266838881.pdfIn PDF document text
- http://www.mueblesgamez.com/ckfinder/userfiles/files/57391491969.pdfIn PDF document text
- http://519pf.com/userfiles/files/dorojifuki.pdfIn PDF document text
- http://dennehylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/96255346895.pdfIn PDF document text
- https://tadimtursu.com/image/files/voluvokewitozuso.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613facc8e2ebc---gemupanuranebeloxefa.pdfIn PDF document text
- https://questyme.com/userfiles/file/dutab.pdfIn PDF document text
- http://miyagi.chi-kara.net/Upload/files/21956433537.pdfIn PDF document text
- http://doggystylzgrooming.com/admin/photos/file/18459675372.pdfIn PDF document text
- https://groupunsur2.com/contents/files/nibilidadesulurafev.pdfIn PDF document text
- https://mdteam.se/ckfinder/userfiles/files/vazebitezaxixiwudiz.pdfIn PDF document text
- https://mysilo.com/upload/ckfinder/files/xiveroditexoxatuxaxiwiko.pdfIn PDF document text
- http://konberdbio.com/upload/files/sodavogewitimot.pdfIn PDF document text
- http://savvyais.com/userfiles/file/8379278462.pdfIn PDF document text
- http://ejmk.com/ej/upload/files/jipereditujadiwokona.pdfIn PDF document text
- https://avflash.nl/upload/files/nanowebizixisazo.pdfIn PDF document text
- http://yigang-lin.com/uploads/files/202109140800425618.pdfIn PDF document text
- http://baby-daycare.com/uploads/files/202109120405552846.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_off0000bb86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB86 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d39d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD39D | 10304 bytes |
SHA-256: 574fafd5740f5ed16a9f04439f67cb5c6abb74440de17bd66106775b59f18f11 |
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font_02_sfnt_off0000eadc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEADC | 16048 bytes |
SHA-256: 746a678069e2a0f0a6042b8d01df91b081f4e641a1585f35d2a4de9823454fd9 |
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