MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress sites and disposable hosting domains. The primary purpose appears to be directing users to potentially harmful content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bb4959dddb01f07af81e6f378ba166a5/86737479396.pdf
- http://goldenpeak.it/userfiles/files/43726014276.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b38be99a9be---suvibanitenuliguk.pdf
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/f1204627b26a9f5da2ef957a1945158d/sudik.pdf
- http://sevimticaret.net/userfiles/file/ferup.pdf
- http://autoscuolauniversale.it/userfiles/files/dafaw.pdf
- http://bawwabatrizq.com/userfiles/file/xetasuxuzi.pdf
- https://by-express.com/upfiles/editor/files/78588943305.pdf
- http://dok-vo.ru/userfiles/file/78859056984.pdf
- http://armanetti.com/images/leruw.pdf
- https://agatanorek.com/files/file/14359770469.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/5de46c542e296b71eaa7051ab728c210/96408859384.pdf
- http://fotossc.pl/_files/file/23195244234.pdf
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a01070b74fc---95679474690.pdf
- https://clove7.com/userfiles/file/sazogufosaramatizulu.pdf
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/eb393c09bcd7a411c3990f164d6e8a47/gepefaxotumow.pdf
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/78591610411.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/arfd0vk7j79equki33srpnefd6/71043251891.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608372322847e---67235346975.pdf
- http://purifoy2020.com/clients/1/11/118d8b7ee1ea4bab8fb19da95c56260f/File/32671215525.pdf
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/iufrkobppepvs5bs9meu4dm5od/22517543908.pdf
- http://kpdb.org/userfiles/files/xusifagezijixeno.pdf
- http://vandientuchinhhang.com/upload/files/11670801983.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c74cd1ba9f9---22113760922.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=undernourished+meaning+in+english
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_002_off0000f1b9.bin82ef2a49687432d0282a8fdc6864e21bc108f7a9e135c5afbb68419addaa7861 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xF1B9 | 26972 bytes |
font_01_sfnt_off00012117.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12117 | 16792 bytes |
font_02_sfnt_off00013929.bineb1efe78972a8a2b06132f6ba06e59328c9f3b303309fbd3fdfa3cc515ab5932 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13929 | 17084 bytes |
font_03_sfnt_off000165b1.bin2317701616336a4463758e32d6c5e7c9dccbe11baa79ce5ea7d78fb013b59911 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x165B1 | 10704 bytes |
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