MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories. These links are likely designed to redirect users to malicious or phishing content, aligning with a phishing attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e1194d1a0---36101220302.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607923bfcc0d8---6073656446.pdf
- https://pointvirgule.ca/upload/editor/file/63510912619.pdf
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d985e115f4---narebexikogege.pdf
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bf86c023c4f---tosevitozusoniwe.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b0fd4a5234e---losodaxejujin.pdf
- http://dichvutheapec.com/upload/FCK/file/59527767531.pdf
- https://petala.gr/userfiles/file/wasinunovilelanef.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa2fbdd860---wuvakuzuzigawesiwa.pdf
- http://musikpark-live.de/userfiles/file/48120976632.pdf
- https://projectmine.hu/ckfinder/userfiles/files/gimudofenavatelod.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e790b1a328---10364025424.pdf
- http://animalscipublisher.com/files/upfiles/file/26051022185.pdf
- http://driver-jazda.pl/upload/file/34027983882.pdf
- http://bobmeetin.com/media/galleries/files/napaxedaxabojubaxum.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d47bdb4139---fopifitudimo.pdf
- http://svsteinfurth.de/radsportfiles/file/vofesewinefebutemomewus.pdf
- http://fullx.net/files/88563831931.pdf
- http://doo-san.com/userfiles/file/20210526091402.pdf
- http://morgancountyoh.com/userimages/51534830157.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/bcbd5e01bab4c0bf3c06f7fdfbb5578a/81154344054.pdf
- https://ringid.vn/ckfinder/userfiles/files/82919649560.pdf
- https://samarpanbharat.org/trila/userfiles/file/7219751700.pdf
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/e6vmk94tl53hbi0muo3lo1ssee/bujitofuzesofunutijopopa.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=about+to+meaning
- 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_off0000c0c8.bin14190bb18cdfbce43f07efece68c71c2d5a65dc41fd6ea6f135132f92de2ada4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0C8 | 16160 bytes |
font_01_sfnt_off0000ea15.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA15 | 16792 bytes |
font_02_sfnt_off0001022c.bin8c17e5fd03f8f97b3786898766bec0ef088f45f5bff6e3761fa77fe772204759 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1022C | 10356 bytes |
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