MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://oniceh.ru/uplcv?utm_term=watch+series+free+app PDF link annotation
- http://tnslib.tools/userfiles/files/menatos.pdfIn PDF document text
- http://vantaidongsaigon.com/uploads/files/5726770097.pdfIn PDF document text
- http://faurerom.com/userfiles/file/58393109979.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/45568717853.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613de390308c7---fimopawamokuge.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141104d22192---lowuxoxobek.pdfIn PDF document text
- https://kattliv.com/kattliv/admin/userfiles/file/ferowapuxelidagim.pdfIn PDF document text
- https://egf.tw/test2/images/file/xuronekajurumo.pdfIn PDF document text
- http://schule.havonix.com/ckfinder/userfiles/files/48198973266.pdfIn PDF document text
- http://stroyvodservice.ru/upload/File/vitajukaja.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161455497d1e33---90984725202.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/b7b81f0876967c524ac43ee6f96f980f/dozofu.pdfIn PDF document text
- http://gandolfiarchitetti.com/userfiles/files/29067241166.pdfIn PDF document text
- https://jager-ig.tw/up_photo/file/gezokudoputax.pdfIn PDF document text
- http://sparkpro.lv/content/file/xuzivowitinoxuw.pdfIn PDF document text
- https://invision.buzyhub.com/files/64208305846.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131e21d2ed41---29152385724.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145fc3b7caad---69812206365.pdfIn PDF document text
- https://interstudy.net/userfiles/file/webuged.pdfIn PDF document text
- http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mafuxisirosibofaluwowot.pdfIn PDF document text
- http://winhazel.com/indigo/ckfinder/userfiles/files/jefixo.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/83ed6f07e711ed49cf4a2b4fe25f2431/7041591594.pdfIn PDF document text
- 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_off0000df80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF80 | 10300 bytes |
SHA-256: 7a4347b085e21ebe7bd09a0190e685d56ab57b59bfd3fbe333728b2e334dce91 |
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font_01_sfnt_off0000f6e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010ef8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EF8 | 17168 bytes |
SHA-256: 1b0e7e00519a0771d51e8d316312b1ca8b4e53775663f772d4542832194af55a |
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