MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these link farms and the use of compromised CMS upload storage are strong indicators of a phishing or malware distribution campaign.
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 http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/k97tv35rqt10h36r7kmir8rec5/rafaremalurexuseme.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/314d2f95b4c218b47382437c6b76ff77/jabofedugukexojiseso.pdf
- http://omegapizza.net/uploads/files/84167156997.pdf
- http://mnogonomerov.ru/uploads/file/taloditikojul.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/20dcc6cb12828797f72806f2208db49d/zebufubobedowinanetisi.pdf
- http://work4shop.cz/userfiles/file/83648329756.pdf
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/2f72760755fd4ae8abe7c87a2b67f8b2/17158858017.pdf
- http://goref.ru/files/file/sadetejebiwotere.pdf
- http://sladkiy-ostrov.ru/userfiles/files/magadagotezizated.pdf
- https://adtw1.com/ckfinder/userfiles/files/20397158709.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/a5d33aba55ccfe150f69a5041fd03a4a/walodamoboma.pdf
- http://teraval.cz/res/file/tanakujik.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/1ff1841699ad0df9db250933c56cb556/94398890979.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4ba2a2175---bebuwuz.pdf
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/09f77a7122c2cc6cc86db6b7a038f2ef/dabibukujifozegazuwarefa.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/dojuviwuxegowi.pdf
- http://ip-golubev.ru/ckfinder/userfiles/files/tosemokaxipetagepodosod.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb1789696a---bonuxajul.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160926262bace7---29746344796.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f93b8a696---lufusavaw.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/8qrufhc46ocuq9kstkjk4j2k44/26487225723.pdf
- https://turbooto.vn/upload/files/62671945833.pdf
- http://gopherandsquirrelcontrol.com/admin/images/file/75003423860.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=top+10+forward+players+in+football
- 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_off0000f75d.bin92d1e27df46d6cb3e45f7a14ddb1c3df88a09677a2080c5ab8edc1bfdc8c8997 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF75D | 10968 bytes |
font_01_sfnt_off000110d1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110D1 | 16792 bytes |
font_02_sfnt_off000128e3.bin35071649922878a986d3b0a3281045e4268ba9e819bded8a8b4cb8544990528d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128E3 | 17100 bytes |
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