MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF contains a link farm pointing to numerous disposable domains, a common tactic for phishing or malware distribution. Heuristics indicate these links are hosted on compromised CMS upload storage and disposable hosting, suggesting a deliberate effort to obscure the true destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://synerhu.ru/uplcv?utm_term=ultdata+for+android+crack+6.3+1+download PDF link annotation
- https://mimpishiodua.com/contents/files/89770392144.pdfIn PDF document text
- https://undergroundtakeout.com/userfiles/file/17400180632.pdfIn PDF document text
- https://h1t-url12shio-turbo.com/contents/files/69513381156.pdfIn PDF document text
- https://tidymoney.com/ckfinder/userfiles/files/96103910667.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/nebobenefox.pdfIn PDF document text
- https://luminex.pl/upload/file/jolisoputud.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140629c0d994---79691585360.pdfIn PDF document text
- http://strahovka66.ru/userfiles/file/16451161080.pdfIn PDF document text
- http://klick-tipp.info/ckfinder/userfiles/publics/files/davavimuxumuvi.pdfIn PDF document text
- http://szerecsengyogyszertar.hu/editor_up/kejupowukigu.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16139ae240f2c4---60663062368.pdfIn PDF document text
- http://vaynhe.com/upload/files/28412903253.pdfIn PDF document text
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/fulukixalixixemubiwenopi.pdfIn PDF document text
- http://www.nachtruhe.info/up/files/58865604428.pdfIn PDF document text
- http://georgekoldun.com/var/upload/file/ziwamepel.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/m8i4hivft261ngda9qo3n66qe1/65646093814.pdfIn PDF document text
- http://sky1981.com/asset/uploads/files/manatugakapawefimenu.pdfIn PDF document text
- http://shinhwajudan.com/userData/board/file/ripiwoxasawewejiteze.pdfIn PDF document text
- http://goforthegreengolfpools.com/userfiles/file/lujutitomega.pdfIn PDF document text
- http://rjbmachinery.com/d/files/48132005024.pdfIn PDF document text
- https://hohsingfiber.com/ufiles/files/dadexuwudegigokolexubuka.pdfIn PDF document text
- https://thaibamboorestaurant.ca/phpsites/bard_ford/uploads/file/loloziwe.pdfIn PDF document text
- http://irodori.kir.jp/files/file/564196530.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_off0000bf1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF1C | 18156 bytes |
SHA-256: 2b3aca91bcca2a0f2798c36663d2466d17c075611f7d165189328ba7e39c0c29 |
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font_01_sfnt_off0000edcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDCD | 10812 bytes |
SHA-256: aac339fa8b59c41873d83c2f8b4ae916eab04e171f94d3a69abd0db6c68abb90 |
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font_02_sfnt_off000106ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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