MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to potentially compromised or disposable hosting, forming a link farm. The 'utm_term' parameter in one URL suggests a potential SEO manipulation or lure tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://granitabrasive.hu/editor_up/2166941834.pdf
- http://castrolmintabolt.hu/images/upload/file/54411033771.pdf
- https://brs.jo/userfiles/files/7718122669.pdf
- http://ehomerealestate.org/images/file/17983137873.pdf
- https://watosaphotography.com/app/webroot/userfiles/files/20210908_224655.pdf
- https://wita.lt/images/files/16250963752.pdf
- http://araratmebel.ru/img/file/53443384108.pdf
- http://trungtinjsc.vn/upload/FCK/file/latizisasomox.pdf
- http://lejuriste.ru/files/file/gurabun.pdf
- https://tahubunting1.com/contents/files/borametolarizuzogapepe.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16134d4842ea58---pawofepupumutepopuwakaba.pdf
- http://gzcil.com/uploadfile/files/fametogatebotamowa.pdf
- http://studiopassarotti.it/userfiles/files/rudamemow.pdf
- https://hongmao.tw/uploads/files/202109070836546440.pdf
- http://seyrimerdin.com/userfiles/file/tibunirubogilonezoverivu.pdf
- https://gabconstruction.com/ckfinder/userfiles/files/35717957239.pdf
- http://www.ecvbrass.ch/user/web/file/fiwimevi.pdf
- http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/27537783217.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6d15813aa---morasinetej.pdf
- http://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/35105132818.pdf
- http://classicalgardenfountains.com/uplds/file/99163166888.pdf
- http://milwaukee.center/userfiles/file/zadema.pdf
- https://stradatextiles.com/upload/ckfinder/files/rijamonivosazakitip.pdf
- http://ccshecea.org/upload/files/wezajawego.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161411aabaf22d---7706993155.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=pet+shop+story+mod+apk+unlimited+money
- 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_off0000c13f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC13F | 16792 bytes |
font_01_sfnt_off0000d951.binbda07ee4eb2d502dc1114ea406e719a00671fa3e92d510791c6185e9080b74f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD951 | 18108 bytes |
font_02_sfnt_off0001082e.bin8b2c66e7c973319b907c2da319573bfcb051f331db31c64ec5683140b568e296 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1082E | 10964 bytes |
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