MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was detected as malicious by ClamAV and an ML classifier. It contains a link farm with numerous URLs pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious content or phishing sites. The presence of these links indicates a likely phishing or credential harvesting attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f3bc6f4c4bb---xurijupide.pdf
- https://bayihoki99.com/contents//files/zelixupujo.pdf
- http://infinity-pro.ru/userfiles/file/ludenax.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd1cee8f19---66913719324.pdf
- http://mextro.de/upload/files/zumitore.pdf
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/7cf63a7579eed4d6a3e8e3864f591b5c/puvugo.pdf
- https://luminex.pl/upload/file/94079913781.pdf
- http://remont-elektro.eu/archiv/file/ximawepowekibupefituve.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/b0a4ae72fe0c46dfa0650c593dda4c06/pusuzimibewiveroz.pdf
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/193c6398f448f5f9137571feb7319995/37619761267.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160984835713f0---sonowozezofisojuzuvikibif.pdf
- http://www.taimaobi.com/admin/ckfinder/userfiles/files/vorabinud.pdf
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8e56b3140---85951637746.pdf
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/3vt7b4726jfailqqbu98enq226/zetuji.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/oqse4h780acgfrkh7k0hbifb77/tenowarujutojijidanibabax.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/2a7bd0e25758d392267ab7c5a5314431/pumulezanu.pdf
- http://intergeored.com/upload/File/degonutexamuwolu.pdf
- http://foodchemsino.com/d/files/fudodopeferonujetibesi.pdf
- https://sportsht.com/userfiles/file/minadijamodulimuditodi.pdf
- http://posicert.com/upload_fck/file/2021-7-27/20210727160003991996.pdf
- http://brandnewgoods.net/userfiles/file/712278872.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac13e50a57a---211668686.pdf
- http://www.gonouvellezelande.com/files/fenavinexelodeka.pdf
- https://iqmuseum.mn/uploads/files/xasovinunav.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=logitech+k800+keyboard+installation
- 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_off0000efd3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD3 | 16792 bytes |
font_01_sfnt_off000107e5.bin396cd5ec282816b8ba4f7ee90eb9ab6ca5e17df94811ea7ca2b51344ca59b088 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E5 | 17456 bytes |
font_02_sfnt_off00013501.bin304a371f0b076866cac869da8de6e76019870f4a513dbad63754bf87431985fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13501 | 11280 bytes |
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