MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The presence of 'utm_term' parameters in some URLs indicates tracking, common in phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://irlanc.ru/uplcv?utm_term=nse+top+50
- http://banhangcongnghe.com/upload/FCK/file/38663902536.pdf
- http://s8radziejowice-paszkow.pl/userfiles/file/9942677608.pdf
- https://manualismedicina.hu/fileok/file/dexulusisibokigakipidewis.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a8aca28f1---26156566682.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/3gsuttns6qcu4tvlho876ukrab/fawofupagijalafalixebetad.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072aa55c6be4---41341494615.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/16098523bc8a37---nelewi.pdf
- http://foto-klub.dk/userfiles/file/divujojanowupusi.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4860a2994---37033760595.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/1f4136fbbbcfe374c88fea45ea6e0850/naberiropuvutuvisom.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9a14685dc---momep.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/2ffb1d40a2aa866efce8e715e7837516/47047179239.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f92b76f7b---telasigukosakome.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/h4o9r1ahadnfhuceolbopjuc8g/zutepaxosanenelodefufal.pdf
- https://samavetpharm.com/userfiles/files/kuwedelematut.pdf
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/41658955340.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160afbbed6909f---49819840469.pdf
- https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/pemajenegamunobiwepud.pdf
- https://abugfreemind.com/userfiles/file/87310011428.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/9cfc147d2a399be9644b5dcfd8037bda/weluwabofebobosezu.pdf
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/04mrsntv82lmnjl7vk2qmqsimd/95123259904.pdf
- http://k-souz.com/userfiles/file/tisumajazupizibi.pdf
- http://lroundup.com/clients/d/d7/d7466da0ad72d96b64793f89c518a0d9/File/mipeguxamiwafuzagokeribum.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_off0000f086.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF086 | 16792 bytes |
font_01_sfnt_off00010898.bin556418bdb8abd15d1b45902e7fa71a65df77ed50a072941a2445f4f0720ed637 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10898 | 17520 bytes |
font_02_sfnt_off000136a3.bin9e782a95cd906f9772650a5e16745646cde78caca7915a74093fdfbe722af8a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136A3 | 9976 bytes |
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