MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to various websites. Several of these URLs are hosted on compromised CMS uploads or disposable domains, indicating a likely intent to lure users to malicious sites for phishing or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://vattucongtrinh.com/userfiles/file/12092967828.pdf In PDF document text
- http://gld-lining.com/user_img/files/piloxikubarewogex.pdfIn PDF document text
- http://megaeventoa100.com/clients/f/fa/fa03970f5feff24be7017758158681b9/File/soniloromusezunirelupa.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608000a1541a2---61568850438.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/027ef469b239240b625b140653e175e3/wuseno.pdfIn PDF document text
- http://rld-carbon.ru/file/renugegi.pdfIn PDF document text
- https://aspaeng.com/files/image/files/zosakedudepumidufufe.pdfIn PDF document text
- https://juegosinflablesarizona.com/files/86531571265.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/3nr12vn4ui047fja8vuf69of2l/zawesasanirujenojaxaj.pdfIn PDF document text
- http://earthtalismanjewelry.com/clients/b/b2/b27d4d76c51cd35ccef873a204118430/File/57303373910.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/7b09312073829e8598b16149ff143f9b/2844738973.pdfIn PDF document text
- http://phantasos.org/userfiles/file/ratukejarajelepenow.pdfIn PDF document text
- http://www.prieteniitehnicii.ro/documente/file/8305100421.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c37ee31f672---vusikevagujurujonunid.pdfIn PDF document text
- http://futboltotal.net/images/files/fetir.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160928d27039ab---93967337751.pdfIn PDF document text
- http://didopack.com/files/6933041119.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/9c23c88847006d3c70b30536c307e9e3/57538566940.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/jh452igtpvgqsbos8c896sot31/negobadenosesuvaxu.pdfIn PDF document text
- https://jagamimpi.net/contents//files/limeraramulipivulaba.pdfIn PDF document text
- http://ahdongjiu.com/upload_fck/file/2021-5-16/20210516073320271318.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/e5df2017c531791239f51c2d003efb17/26181035571.pdfIn PDF document text
- http://liyangah.com/Upload/file/14279696758.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608506f6db227---81031408309.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=gravity%27s+rainbow+companion+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_off00012cb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CB6 | 11084 bytes |
SHA-256: bb7da29a238ee4b5d7e0cc8fbe9bcd789747f8e5d4a6fff515311e455670c03b |
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font_01_sfnt_off0001467e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1467E | 19572 bytes |
SHA-256: dac60e313f22142b49e23c61cc974c2a93329079975aa36b48d1db9f731f5d59 |
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font_02_sfnt_off000179b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x179B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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