MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, suggesting the document is used to drive traffic to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://inwebjor.ru/uplcv?utm_term=indian+old+movies+full+hd PDF link annotation
- http://debeleven.net/UserFiles/File/94489077409.pdfIn PDF document text
- https://iwanbim.iwan.co/userfiles/files/tudizad.pdfIn PDF document text
- http://www.premiumimport.nl/ckfinder/userfiles/files/51920288168.pdfIn PDF document text
- https://eledigitalpr.it/allegati/file/17253103174.pdfIn PDF document text
- http://freeorden.com/media/file/27798592239.pdfIn PDF document text
- http://bulongvungtau.com/media/ftp/file/mujovalepawafereviwelifi.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16149c818a246f---16271901683.pdfIn PDF document text
- https://tideandtigers.com/ckfinder/userfiles/files/91359140709.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/74554766073.pdfIn PDF document text
- http://tecnoservizi.com/userfiles/files/96148339630.pdfIn PDF document text
- http://www.hgbehringer.de/img/files/files/68084377703.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/bokeda.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/qjd29u2rfbdsmgfc43ar5iofn6/66639525485.pdfIn PDF document text
- https://ptkas.com/kingkong/userfiles/files/dukerezejenuwegeranumumun.pdfIn PDF document text
- http://www.kowel.com/ckfinder/userfiles/files/1631214610.pdfIn PDF document text
- http://milwaukee.center/userfiles/file/butanepumupizibezokufunu.pdfIn PDF document text
- http://www.logomarcanet.com/userfiles/file/roleladofukevuliga.pdfIn PDF document text
- https://forexinc.ca/upload/editor/file/bovemokewumaf.pdfIn PDF document text
- https://on-call-anatomist.org/ckfinder/userfiles/files/rotedazenima.pdfIn PDF document text
- https://sindhuinvestment.com/ckfinder/userfiles/files/xisotizejufa.pdfIn PDF document text
- https://ikuseikyokai.jp/ckmedia/files/18710608812.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138c7ee951b6---watabikojolinivat.pdfIn PDF document text
- http://eggtesting.com/admin/uploads/file/livokawerezusijiku.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_off0000b664.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB664 | 19696 bytes |
SHA-256: 66b494ba4e6aecf5b9e252a34f3bdbc4a72ca8e73bb2f8a52176ed506848c391 |
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font_01_sfnt_off0000ea7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA7E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010295.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10295 | 10540 bytes |
SHA-256: 8fddd20055f4ecfc3222234464f1eff04bac7b98d4c6c88a0cb355a26a032ff8 |
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