MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the PDF structure itself are indicative of a phishing or malware distribution lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 https://garglob.ru/uplcv?utm_term=how+do+i+play+mp3+files+on+my+android+phone PDF link annotation
- https://aarushimukhwas.idealviews.com/userfiles/files/6325965672.pdfIn PDF document text
- https://sindonis.com/userfiles/file/susofumo.pdfIn PDF document text
- http://cattaneoarchitetti.it/userfiles/files/80107550211.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/0be649ee238be0ecc517778e9581b32d/wakopevuzuteze.pdfIn PDF document text
- http://www.singchai.co.th/ckfinder/userfiles/files/48330288564.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/94d91fbff6b28199ac86b6a50b5cec80/tekerogasovidafubasopekox.pdfIn PDF document text
- http://bestbelly.org/content/files/files/84522470372.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16132d113df5a8---41201105490.pdfIn PDF document text
- https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210918072439.pdfIn PDF document text
- http://hasyo.net/files/file/39963104301.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/19847423633.pdfIn PDF document text
- https://siam-royal-view.ru/data/files/vojewinawuwe.pdfIn PDF document text
- http://romengo.com/ckfinder/userfiles/files/81968052155.pdfIn PDF document text
- http://kaies.cn/upfiles/210917042649165831r06iok.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed02e5d6e8---vejolibaperes.pdfIn PDF document text
- https://heart-calligraphy.com/uploads/files/202109050000203869.pdfIn PDF document text
- http://galantemontagnana.it/ckfinder/userfiles/files/41053231397.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/22334551338.pdfIn PDF document text
- http://aptekadc.pl/userfiles/userfile/putusufanivujakowofupujo.pdfIn PDF document text
- http://bayanairag.com/uploads/userfiles/files/31429094827.pdfIn PDF document text
- http://museodegliarazzimarsala.com/userfiles/files/vuduf.pdfIn PDF document text
- http://podarox.ru/public/files/nelulosiwatakuzin.pdfIn PDF document text
- http://bckbytow.naszbip.pl/img/upload/files/visivib.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_off0000d989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD989 | 11028 bytes |
SHA-256: 45b6db10c00c55a9846cdbb9d8e8bd67b8fa9bef341699a80cf9526bb53ca2e9 |
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font_01_sfnt_off0000f300.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF300 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B12 | 18320 bytes |
SHA-256: d4d11020bdaa33dd9921338000680e7cdb146fa974fc734bf97ed83c28fbc88e |
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