MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised websites or phishing lures. The presence of multiple PDF-related heuristics, including compromised CMS upload links and disposable hosting, further supports its role in distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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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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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 https://pixomot.ru/uplcv?utm_term=transf%C3%A9rer+contacts+outlook+vers+android PDF link annotation
- http://mopron.ru/upload/files/nejewes.pdfIn PDF document text
- http://richardchong.com/userfiles/files/55910840961.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/18370824850.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/fevoxavifowedusewumu.pdfIn PDF document text
- http://espokebar.com/uploads/files/garasabasogi.pdfIn PDF document text
- https://sesconbs.org.br/ckfinder/userfiles/files/26803801226.pdfIn PDF document text
- http://wakesup.org/userfiles/file/liduxikozotokigulixilunug.pdfIn PDF document text
- http://marsalanoleggio.it/userfiles/files/varuj.pdfIn PDF document text
- http://dalnoboy.org/data/filestorage/upload/files/24628631766.pdfIn PDF document text
- https://www.playitdirect.ca/ckfinder/uploadfiles/files/44647044542.pdfIn PDF document text
- https://fu-ko-property-agency.com/webroot/editor-uploads/files/dusofotuwokox.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/aa7f77df6520e10c6aef6377d2a0cb57/73199333872.pdfIn PDF document text
- http://ubestsports.com/imager/files/20210919070025.pdfIn PDF document text
- http://leinerpakgelatine.com/survey/userfiles/files/81141701428.pdfIn PDF document text
- http://newworldss.com/uploads/file/gebotefes.pdfIn PDF document text
- http://sinching.com/uploadpic/files/202109210159108629.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/cfsarh5b8ujri81qkohkkre5i9/wuzaruzixewuzizuzupexu.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/193647f99ecfc08f80d79ca49c7ea18c/71327758167.pdfIn PDF document text
- http://puzynowska-kancelaria.com/userfiles/file/68810769634.pdfIn PDF document text
- http://www.ctmmaximoravenna.com/ckfinder/userfiles/files/74084107581.pdfIn PDF document text
- https://all-stage-meditation.tw/uploads/files/6133edec7dc08.pdfIn PDF document text
- http://waetsukai.jp/system/ckfinder/userfiles/files/vafiras.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_off0000d87b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD87B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f08d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF08D | 18368 bytes |
SHA-256: 39fb2a0de178acfaef2c9d1ca2b0c14c3799a32299a856a4309e34a141dda687 |
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font_02_sfnt_off00011e97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E97 | 10844 bytes |
SHA-256: 169dff371895f03b2f424d2036ea0696c47ce5819fea7afb9c29b3eb9545bf82 |
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