MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, with several heuristics indicating it functions as a link farm. Notably, some links point to compromised WordPress upload directories, suggesting a tactic to host malicious content or phish credentials. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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 http://fertilityupdates.com/userfiles/files/matigawimaragibur.pdf In PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/138925391060a1c3e965090.pdfIn PDF document text
- https://skvacations.com/userfiles/file/41685840072.pdfIn PDF document text
- http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708411c561b---nopifibegoxizudokezife.pdfIn PDF document text
- https://ehbo-oostkapelle.nl/userfiles/file/76146469704.pdfIn PDF document text
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a687ea4e5da---64624771237.pdfIn PDF document text
- http://pasted-radio.de/web/files/zetoja.pdfIn PDF document text
- http://jsdarvin.com/files/7525990401.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/6nv8hjkqt7f4k9if1fi94lgh6j/28372148810.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/cccb88006730bd425249860b1e96a390/nafitabu.pdfIn PDF document text
- http://americandeliorder.com/uploads/files/83112622049.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/fcd8ca2339627f745bef673e21e77247/29074925919.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160727b11bc5bf---kigeroz.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/7a68b6d36b9dd654c3d1f30afd6c04f7/40496636713.pdfIn PDF document text
- http://planet-for-events.de/userfiles/file/jopaje.pdfIn PDF document text
- https://gomaihoa.net/upload/files/gefumurav.pdfIn PDF document text
- http://bancasemecanino.com/userfiles/files/bukulabilugunelo.pdfIn PDF document text
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/wevawisexotukixo.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/b7911b6855f64146369e9467c8639fa0/soxubuzavagerupi.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607000046a137---gigepisiw.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/72bbec818852f9dfca0e21fcc7126c31/pomaresezudepiwixidob.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c27561526e---kijawasuxewuw.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/16121a966717db---wewukifuvoja.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/5uq5e25bnqe0koi00vimkdnpj4/49929221101.pdfIn PDF document text
- http://crmrealty360degree.in/userfiles/file/kaxomegiledelizidusuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=enhanced+defense+cooperation+agreement+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF3E | 11004 bytes |
SHA-256: 33907d7d656b43616197e3992c684ba422671af7621b20500dd567f683140dc8 |
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font_01_sfnt_off0000f868.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF868 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001107a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1107A | 17056 bytes |
SHA-256: 6030799ec1f81714c8afa7bf08de2531ac99a29cf220a5039c56f62f1e505543 |
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