MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs pointing to potentially compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL patterns are indicative of phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://medvor.ru/uplcv?utm_term=what+do+iphone+emojis+look+like+on+android PDF link annotation
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146e0f40e42c---5425072042.pdfIn PDF document text
- https://bonekarusa.com/contents/files/98537456859.pdfIn PDF document text
- https://asthasupermarket.com/userfiles/file/disuvoduwetu.pdfIn PDF document text
- https://kolkataangikar.org/ckfinder/userfiles/files/molurusugiwutuf.pdfIn PDF document text
- http://yotlist.com/uniformkontakt/userfiles/image/files/munofatoturafu.pdfIn PDF document text
- http://gzky.cn/dubeite/ckfinder/userfiles/files/20210905_235951.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b65e785dd---logorilopigife.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210908090833.pdfIn PDF document text
- http://zhongguohuachun.com/d/files/82770040812.pdfIn PDF document text
- http://aligokdemir.com/resimler/files/31931774977.pdfIn PDF document text
- http://www.gobarging.com/uploads/textareas/file/gesin.pdfIn PDF document text
- http://fjsxsx558.com/upload/files/55590612685.pdfIn PDF document text
- http://homestationrealty.com/userfiles/files/23258746369.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb95ee3ff8---63863193872.pdfIn PDF document text
- http://aaas.handyfriendship.com/upload/files/96737548692.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1614650e2ab678---pilemupowazafut.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7d95bfa40---fitawuwozafawobomag.pdfIn PDF document text
- http://buyyoutubecomments.com/ci/userfiles/files/64616059363.pdfIn PDF document text
- http://studiorinaldibedin.eu/userfiles/files/39329388572.pdfIn PDF document text
- http://bugskin.org/userfiles/file/38958246820.pdfIn PDF document text
- http://tsmsaldature.it/userfiles/files/fakus.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_off0000d166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD166 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e97d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE97D | 10872 bytes |
SHA-256: f3b00c4162e75853192f5b2e00f7c09da9c790ba517fab37e17d5e9fb81c7cbc |
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font_02_sfnt_off0001025b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1025B | 18236 bytes |
SHA-256: 5f06822d3f00f6e14ded9286bfdd7d65cc5641d9c0cb02e222332bc9231a0d3e |
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