MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external URIs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links indicate an attempt to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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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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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://medvor.ru/uplcv?utm_term=the+shannon+and+weaver+model+of+communication+is PDF link annotation
- http://thuduchouse.vn/pics/file/gawagomix.pdfIn PDF document text
- https://aymfly.com/aym_image/files/vibowunifavemike.pdfIn PDF document text
- http://fructusartis.com/i/File/13759103009.pdfIn PDF document text
- http://pokemom2.com/uploads/files/nalitijofekutitokawef.pdfIn PDF document text
- http://harnettcountyhba.com/userfiles/file/bamonororalumo.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/148a48aa95b8f5ca73d94f691b25a96e/bubunejetukaju.pdfIn PDF document text
- http://auroraenergyproject.it/userfiles/files/dedonirivegipusopunekulur.pdfIn PDF document text
- http://tsradviseurs.nl/mailing/images/photo/file/58037871675.pdfIn PDF document text
- http://metabolitplus.ru/files/file/merutozamomirixijezew.pdfIn PDF document text
- http://haki.vn/uploads/files/29787681801.pdfIn PDF document text
- http://archiw.bibliotekalesmierz.eu/img/upload/files/61515839154.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/mepazizesuno.pdfIn PDF document text
- https://anesaportugal.org/upload/file/wogiduwame.pdfIn PDF document text
- http://5mal4.de/moneyvidya/web/images/userfiles/file/47473211122.pdfIn PDF document text
- http://www.somdattabasu.com/fckimages/file/leparusebopowidelot.pdfIn PDF document text
- http://studioesflores.pl/obrazy/file/bezujogubidomigigule.pdfIn PDF document text
- http://thayloilocnuoctaihanoi.net/upload/files/bageguxedifibogigumoxisep.pdfIn PDF document text
- https://aaaxxion.info/images/file/39169113567.pdfIn PDF document text
- http://hbaoge.com/upload/files/22623806813.pdfIn PDF document text
- https://e-ssuances.com/ckfinder/userfiles/files/90023701621.pdfIn PDF document text
- http://vyveva.eu/UserFiles/File/28983018226.pdfIn PDF document text
- https://forumsevens.com/images/file/pexizapumajepoku.pdfIn PDF document text
- http://africanhairbraidingsalon.com/userfiles/file/83529126555.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409330ba227---losane.pdfIn PDF document text
- http://ajisushionline.com/uploads/files/53942648617.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_off0000f8d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8D0 | 10956 bytes |
SHA-256: 4db899d0803943932da001af22b8b56ead8444fab0b05e28171373aa835ca264 |
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font_01_sfnt_off00011211.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11211 | 19580 bytes |
SHA-256: 37513f4826ea658f479762f5af151508c7988293d7c68cc3223cbc97e96b2ffb |
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font_02_sfnt_off000145a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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