MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm. Multiple embedded URLs point to potentially malicious or unknown domains, suggesting an attempt to redirect users to harmful content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically highlights the nature of the document as a link farm on disposable hosting, reinforcing the phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://flairpens.ru/uploads/files/58350096662.pdf In PDF document text
- http://www.kymkarajok.net/tiedostot/files/78808802863.pdfIn PDF document text
- http://yhbinternational.com/userfiles/file/dufiline.pdfIn PDF document text
- http://klccpa.com/userfiles/file/41281705274.pdfIn PDF document text
- http://sangjeom.com/userfiles/file///ranugesepadenepepajiwoze.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/44063646896.pdfIn PDF document text
- https://matricula.netlandschool.cl/files/juzavuwuvi.pdfIn PDF document text
- http://finpacecuador.com/userfiles/file/fowipipujaxemoguw.pdfIn PDF document text
- https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/65253769169.pdfIn PDF document text
- http://clubselectionvoyages.net/images/file/xupesunatibotene.pdfIn PDF document text
- http://mrpennarak.com/user_file/file/47751546978.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132fd9e022e3---durowavigebiz.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/71350653806.pdfIn PDF document text
- https://ecotranslation.ca/upload/editor/file/depezixixurivoxovax.pdfIn PDF document text
- http://posekatzahradu.cz/files/file/70006830011.pdfIn PDF document text
- https://toocapen.com/files/99656247135.pdfIn PDF document text
- http://ghinelliarchitettura.it/userfiles/files/11177277259.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/789815213.pdfIn PDF document text
- http://finproekt-msk.ru/userfiles/file/lodejof.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/wenaru.pdfIn PDF document text
- http://tlumacz-lipno.pl/pdrzewiecki/files/vekifobufofizi.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/jarusakezevuniguk.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/69658071456.pdfIn PDF document text
- https://manhalhealing.com/userfiles/file/jerumolevenebovumevexa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=adults+tv+apk+firestick+2020PDF link annotation
- 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_off0000c831.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC831 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e043.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE043 | 16496 bytes |
SHA-256: 4bac6571f31214a7848983ec50f58094a3cc4d9301ce5f8eddfa7ad3f0118f01 |
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font_02_sfnt_off00010ab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AB9 | 10868 bytes |
SHA-256: 3691aa7a84633c8b4bd7084c4a26b662029f5f99e0e403cc92e796899ca3816e |
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