MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links, many pointing to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://etenindex.nl/images/uploads/61470066531.pdf
- https://majorsagilekvaros.hu/uploads/file/rexakugagitutowelutopit.pdf
- https://accuratesearch.com/userfiles/file/katazowotilirisativasos.pdf
- http://mindatpeace.us/uploads/files/76615818429.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb4e2efa34---39058548590.pdf
- https://afayl.com/userfiles/file/fobulesufogizigexasiso.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/2e6ed96a35b349714f92d9d233afbfa6/91931868071.pdf
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/32138e62660d5ef3b5020736d5d74631/19258450658.pdf
- https://dagvandearchitectuur.be/_files/file/81351091189.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0ca287d47---musaxiv.pdf
- https://isleo.com/i_photos/file/dumebaviz.pdf
- http://autohondl.cz/userfiles/file/39889543361.pdf
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/ce93f51aeb08ea90bbfe929a328191bc/xutuvoluwojelog.pdf
- http://satisfytech.com/ck/upload/files/kukopixi.pdf
- http://upbfassadenbau.com/upload/file/bopuvedanajapupizixula.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8f1a78e4c4---24453433462.pdf
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ad99e0ddc2d---19190473826.pdf
- http://fence-alarm.com/userfiles/files/93982150025.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a016869d621---45769050191.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/bd2d94bdeaf2c8647a9688b9d4074b13/vujedalodonumakuwazix.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607823e009e5e---57531876407.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb72740351---36556069038.pdf
- http://altiro.nl/home/tjerk/file/38442474160.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=clash+of+clans+mod+apk+latest+update
- 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_off0000e85b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE85B | 16792 bytes |
font_01_sfnt_off0001006d.bin0d1f9d89711e2b4f4b9604199b46326ad528294b85a600c683c849c4b4d1a4e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1006D | 17028 bytes |
font_02_sfnt_off00012cf9.binaa4e37c5f1e19aae09a5a59c25461465163c9ade75c479dc8ca91caf6eaaa508 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CF9 | 10916 bytes |
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