MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by multiple heuristics and an ML classifier, with ClamAV detecting it as Pdf.Phishing.Trojan. It contains numerous external URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF structure indicate an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://huntic.ru/uplcv?utm_term=lily+diary+app
- http://myphamhelios.vn/luutru/files/72854367716.pdf
- http://clinicaveterinariacene.com/userfiles/files/xalirosabipuviliwex.pdf
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/d2e9867575a25d06e40489814020a3ad/82890057316.pdf
- http://letresorellebio.it/userfiles/files/85521041049.pdf
- https://kominove-centrum.cz/media/files/file/fejet.pdf
- https://www.hkha.com.hk/ckfinder/userfiles/files/xitabizafaribezagumaga.pdf
- http://bellamy.tw/uploads/files/202109032021441384.pdf
- https://sentinels.ro/userfiles/file/walewiluforerorewusuje.pdf
- http://pinzimoniofiumicino.eu/userfiles/files/42770017628.pdf
- https://panama4d.com/contents/files/37677452770.pdf
- http://hockjoohin.com/admin/uploads/file/wafosijisotelezibo.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dcf71a5f42---turavem.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614528ee0fece---3134897610.pdf
- http://i-physiology.ru/upload/85861221796.pdf
- http://tomaszskiba.com/userfiles/file/gatiseleguxi.pdf
- http://edituj.cz/res/file/fosugurosaxazufumoras.pdf
- http://wo-kop.pl/userfiles/file/peruvoxoxamadulodobi.pdf
- https://peoplesmodelinternational.com/ckfinder/userfiles/files/9442076871.pdf
- http://ptsound.com/plugins/ckfinder/userfiles/files/14046309225.pdf
- http://www.azurwelcomeservices.com/userfiles/file/wemofi.pdf
- http://emekyesiltepe.net/images_upload/files/satepemifulalelodawajow.pdf
- http://bbbo.handyfriendship.com/upload/files/jakag.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161448ec23aecc---wirixawofof.pdf
- https://bacninhonline.com/webroot/img/files/zatawitosimewik.pdf
- http://studiotecnicodambra.eu/userfiles/files/rotorazopujadapo.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_off0000d909.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD909 | 16792 bytes |
font_01_sfnt_off0000f11b.binab8f95ce9bd0f9feea00f543418db047e0bb956bba698c423dcac8269cde76d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11B | 18220 bytes |
font_02_sfnt_off000120c1.bin06fd593ce6bb115f48003a0652bc8095b2be02a83046617253c2112c62b5f738 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120C1 | 9836 bytes |
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