MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, forming a link farm. These links likely serve as redirects to phishing pages or malware download sites, indicating a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://hatowo.com/app/webroot/uploads/files/39485527105.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140c048d1fa9---32048715570.pdf
- http://makinsushi.com/uploads/files/rolak.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16137530425205---tomabezagirogula.pdf
- http://thedewakohchang.com/image/upload/File/0755604044.pdf
- https://curvy.tw/upload/files/60044070229.pdf
- http://orderbestwings.com/uploads/files/44790070573.pdf
- https://designsdubaiukfashion.com/userfiles/file/25629363010.pdf
- http://hkalc.com/userfiles/82357013624.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614b173c29083---pinavirinujibas.pdf
- https://bengalroys.com/ckfinder/userfiles/files/34513287366.pdf
- https://dom4m.lv/userfiles/files/21890023464.pdf
- http://www.azurwelcomeservices.com/userfiles/file/deripemubutu.pdf
- http://vilocom.net/webroot/img/files/428234946.pdf
- https://nirkongrp.com/ckfinder/userfiles/files/54951848996.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/4a3c8ca70ad8708819e07de5b65337c2/jizitijojeraxijudila.pdf
- https://loonbedrijfschimmel.nl/userfiles/files/sokaxonobob.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327124037e2---wolixatakunigikopexo.pdf
- http://kashima.cc/userfiles/file/63568545067.pdf
- http://hiredriver.com/uploads/assets/files/sozaxanimiforuvoxilimopa.pdf
- https://butagallery.com/userfiles/files/30966590106.pdf
- http://sns-russia.ru/userfiles/file/98249196755.pdf
- http://nabisori.com/userfiles/file/69730150790.pdf
- http://ambvet-trefontane.eu/userfiles/files/sozimuzepapisagasanafolip.pdf
- http://sarkar.ie/userfiles/file/nataxusivusisezoza.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=vortex+android+tv
- 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_off0000b252.bin752196d97db4ab4bb87dde773efdcff933febc449a5248a4b52638dcee70da50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB252 | 10164 bytes |
font_01_sfnt_off0000c92e.bin8979f117b88916289b65b25eb4b86c5fb9ed54b1dbd19dc5b88dea6f55e7df0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC92E | 17412 bytes |
font_02_sfnt_off0000f58a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF58A | 16792 bytes |
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