MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous external URIs, many of which point to compromised CMS uploads or are hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download' button lure further supports a phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://drafthe.ru/uplcv?utm_term=how+i+run+android+apps+on+pc
- https://living-stone.lu/userfiles/files/jadixawinuvara.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/jg4emp5iht5k6q7oa40r2om1fq/fulobiludukikuzi.pdf
- http://ghettaetamionarchitetti.it/userfiles/files/tebabenosinurud.pdf
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210907002347.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d64a16a1b6---73757285874.pdf
- http://unicaconsultoriarh.com/images/files/vetitexoloxigatosikijuze.pdf
- https://griby.biz/ckfinder/userfiles/files/tasetizovipuwepadolabupo.pdf
- https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/fisarumilituloxoluwuvazin.pdf
- http://sherwoodchambergolf.com/ckfinder/userfiles/files/domujisudix.pdf
- http://familie-schiecke.de/images/file/nosekovebe.pdf
- http://villa-margherita.biz/userfiles/files/xuzipoditixak.pdf
- https://kabelkyaobuv.sk/editor_uploads/files/jamaminifebekupozi.pdf
- http://saveursetsavoirs.fr/image/file/wifatibujekozazogupafubaz.pdf
- http://szao-spb.ru/images/news/file/xufipodevuvilonuf.pdf
- http://photopuzzle.net/userData/board/file/68553493644.pdf
- http://ordineveterinarireggioemilia.it/userfiles/files/20712105476.pdf
- https://hamayeshniroo.com/shop/file/4157757580.pdf
- http://www.darvidproperty.com/news/file/jonaxujofuzuzozatewij.pdf
- https://nabsangram.com/userfiles/file/wigazifexuderevigebadu.pdf
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/7hq9tudn9djdgsqoa5cjhfc0t1/rerusuwul.pdf
- http://phamtrangia.site/upload/files/63405547998.pdf
- https://fasleh.net/Files/files/rawedutofe.pdf
- http://thepducphat.com/upload/files/mijotoposebenijaja.pdf
- http://fitviewer.info/files/file/tifezikejedupoxuka.pdf
- 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_off0000bebb.bin38f0e5b1bb267d310ecef52750f16736715aff8b3435f82bbf42460c4febe1dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEBB | 10408 bytes |
font_01_sfnt_off0000d664.bina9c79a2111c96454ced2537d5430aaa5b019af5a9fbca27bbee7e237aec5b662 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD664 | 16636 bytes |
font_02_sfnt_off0001014f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1014F | 16792 bytes |
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