MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://coretry.ru/uplcv?utm_term=emoticon+di+android PDF link annotation
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/37a569664c00efdf96e1e36470f4801b/sedupetenir.pdfIn PDF document text
- http://ontozescentrum.hu/tmp/5229709120.pdfIn PDF document text
- http://mentor-tutor.com/newGroserLikeProject/uploads/files/29687810779.pdfIn PDF document text
- http://newgrids.com/userfiles/file/3844880930.pdfIn PDF document text
- https://phoenixturkey.com/upload/ckfinder/files/5230273307.pdfIn PDF document text
- https://consultemergingmarkets.cubsindia.com/files/95345046646.pdfIn PDF document text
- http://renknh.com/ckupload/files/lezeboxev.pdfIn PDF document text
- http://syuncyoku.jp/upload/file/9844314956.pdfIn PDF document text
- http://pc75.net/upfiles/file/1630794342.pdfIn PDF document text
- http://artanuji.ge/admin/ckeditor/ckfinder/userfiles/files/1023009181.pdfIn PDF document text
- https://vinocastillo.hu/editor_up/gekizijija.pdfIn PDF document text
- https://infrapanel-alegjobbfutes.hu/userfiles/file/54084068892.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb499dff84---19595458662.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b0a78106d7---siwilujimofezage.pdfIn PDF document text
- https://mabuksusu2.com/contents/files/xesumusir.pdfIn PDF document text
- http://sevvalturizm.com/rsm/files/73317715242.pdfIn PDF document text
- http://sxcec.org/userfiles/file/23507851055.pdfIn PDF document text
- https://ispartaprefabrik.com/ckfinder/upload/files/30965253323.pdfIn PDF document text
- http://thebankcardservice.com/uploads/files/82717420107.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16132fe3180f79---46578754961.pdfIn PDF document text
- http://premiercontractinginc.com/files/file/28846379998.pdfIn PDF document text
- https://birgatour.mn/js/ckfinder/userfiles/files/vositexibazumu.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/bovudetawonosalubumemiro.pdfIn PDF document text
- https://christianklein.eu/Quansis/ckfinder/userfiles/files/25190932034.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_off0000e655.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE655 | 10168 bytes |
SHA-256: d532af152d822ee494ec264739d64d928e2761b909ff8498773c697ba7bbd46a |
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font_01_sfnt_off0000fd01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD01 | 19204 bytes |
SHA-256: 8952f87f465032cf4480ab7d1d8a17752df27c4e4e9e003424a78a9fd1178145 |
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font_02_sfnt_off00012f4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F4A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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