MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous external links, many of which point to potentially compromised websites or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/27158564408.pdf
- http://bjqyms.com/filespath/files/20210910011051.pdf
- https://pachetedeturism.ro/images/files/zetabatodevudevexirala.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161391f45a7ac8---20834120233.pdf
- https://esterkins.de/ckfinder/userfiles/files/94904538836.pdf
- http://makeyourpartnermelt.com/userfiles/file/xenobuduwatenazo.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0013c4ff2---62750048955.pdf
- http://chongros.com/userData/board/file/gopowe.pdf
- http://mp-hd.de/data/aktualnosci_imgs/file/fifeveg.pdf
- http://hzeiger.com/userfiles/file/mutax.pdf
- http://atsolution.org/userfiles/file/20210902134346135321044.pdf
- http://coimbrasoftware.hu/images/uploads/files/88564616039.pdf
- http://zabradli-znerezu.cz/userfiles/file/somanodujogivedilovasax.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614180be0b83c---danijem.pdf
- http://paradisetnl.com/FileData/ckfinder/files/20210905_394572FBC3731FC9.pdf
- https://aiaciran.org/cache/fck_files/file/fazifixu.pdf
- http://rioairporttransfer.com/ckfinder/userfiles/files/wexeremanad.pdf
- http://status.cz/UserFiles/File/92418127430.pdf
- http://baominhlabors.com/upload/files/bejodejatutex.pdf
- http://debnine.net/UserFiles/File/xixigowopasop.pdf
- https://careerroots.net/ckfinder/userfiles/files/gibelotodamifesipefemarat.pdf
- http://9262895.ru/ckfinder/userfiles/files/bijafubojaxekipoke.pdf
- http://bolshunoff.ru/images/wysiwyg/file/jemoz.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/ec40d9098e56c98c228cbdb96172587f/28979153817.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=tapo+camera+app+android
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d421.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD421 | 16792 bytes |
font_01_sfnt_off0000ec38.bin70c880d47d96f70242a990f5fdfe0b348d5d21d55e28c3b44a2a074ff68cf806 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC38 | 10324 bytes |
font_02_sfnt_off0001036c.bin1d08989c27f8d5f3a954a2a88a05423a2d5a3e51f32fcf1b2286efc74e085808 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1036C | 19956 bytes |
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