MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to multiple compromised WordPress sites and other disposable hosting, suggesting it's used to redirect users to malicious content. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.6630
Heuristics 5
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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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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://hzbmsj.net/images/upload/File/96046020796.pdf In PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/78mmpo147toh4fq25brd98hiqa/7346118903.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609287ad5499a---88351166526.pdfIn PDF document text
- https://hopadive.cz/ckfinder/userfiles/files/jenadaxa.pdfIn PDF document text
- http://roocenter.ru/upload/file/vasagene.pdfIn PDF document text
- https://angel-juicer.com/FileData/ckfinder/files/20210615_7FCBB0E0F8AE45EF.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/7f12046b31e7338e312c0dbc31c99c98/bumosakotivakukob.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/ifcm48tettovp5db4hfrt9n3d9/91502519094.pdfIn PDF document text
- https://piuspvc.it/userfiles/file/32692320884.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/dutawaganir.pdfIn PDF document text
- http://artin-intranet.com/ckupload/files/34831742987.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/02e6feb386e62d5fb9c7dfb13177503c/8043944363.pdfIn PDF document text
- http://kxnjl.com/userfiles/files/jisisimenukabedarakas.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606e244fa289c---42191653474.pdfIn PDF document text
- http://www.siphonicflowmandiri.com/upload/files/95816932605.pdfIn PDF document text
- http://jkohut.pl/file/83093696001.pdfIn PDF document text
- https://upbilbao.com/ckfinder/userfiles/files/diwakinupuf.pdfIn PDF document text
- http://arci-mp.fr/admin/File/rorujipiwu.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/a0dcvsktpm2vp47nfelgrkmju7/wonoki.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16073bee4d11ad---netidival.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/gurajogegasuna.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/51263828f69aac76bcabf3cf58f6f67d/xifimuwa.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c46c1b5c2fa---xuvetuli.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c02e7bb31ff---fanexokumemosizojigevi.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e055f6dcc7---89793736142.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=types+of+constipation+in+adultsPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fab5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAB5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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