MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. The presence of these links and the overall detection indicate a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
Heuristics 6
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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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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://synerhu.ru/uplcv?utm_term=places+to+visit+near+echuca
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c493d42e9b8---12053767967.pdf
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/80a7da5ab83f099f7bf3453b47931d13/zuneno.pdf
- https://travelinnsuites.com/nbloom/fckuploads/file/22761332579.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5f30088da---mevobeminodub.pdf
- http://hjtech.org/admin/upfile/file/xapamutebogoveno.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/eq7dk8ogtijuuric995tbg8dc3/81419351272.pdf
- http://asiavent.com/UserFiles/file///9141197913.pdf
- http://laweasy.kr/userfiles/file/76163793264.pdf
- http://bmhs1963.com/clients/7/72/7286fd37811b7a5dece6e69924e4d5ab/File/90885681114.pdf
- http://knshzj.com/CKEdit/upload/files/zatupiroxiroxepapep.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/ee7lr7uf8faife1bdl7ab8ae21/84314926554.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/a8131d3f65c1c7e4408e47ee18d475dd/wexexolo.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160963f5b27a2d---94687321137.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb2867d8ca---zuzegopirizelijavajinu.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b5fabd149---raxomimapemojotabelalozil.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608852b64f4e6---57002167340.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609093abbf22b---meziluf.pdf
- http://anandtouristcorporation.com/uploads/86027661421.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/03fae6pcqr0g0j34gb4qmpcj2f/sabap.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/g5utqlq7ffj79vtq1u396u7874/2210155651.pdf
- https://alihuata.com/userfiles/file/dimaguwi.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160984ab0b178c---14618331104.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/589a0d0094fec9fad64281a3bff2d38e/narinukixim.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/daece489fc4704be69f75229bf376916/peziwuvofegatadurimil.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_off0001288d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1288D | 16792 bytes |
font_01_sfnt_off000140a4.bin0393bdd70cc7de2be99f98b113a3aa23a66b352b49cfddfd64d57341502cb300 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140A4 | 10496 bytes |
font_02_sfnt_off0001587a.bin05abb9d5b052cd2cc3db2003aaf1099c464b76a19198138166dc6cca30a23f86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1587A | 18492 bytes |
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