MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous links to external websites, many hosted on compromised CMS upload storage or disposable domains, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted from this sample, and the document body was unreadable.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 http://rivebistro.net/ckfinder/userfiles/files/dukaxevotaxezuxesurus.pdf In PDF document text
- http://alfavs.eu/userfiles/file/76538472981.pdfIn PDF document text
- http://stphilomenaonline.org/userfiles/file/nunelofubupogudavem.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/vjefjbf0porlisnm79fc2j85k7/4486570032.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/908e0d1d9e4851f95ec75bd103036e58/42421303773.pdfIn PDF document text
- http://beiks.info/public/file/19829717565.pdfIn PDF document text
- http://radecznica.pl/userfiles/file/29652523035.pdfIn PDF document text
- http://mega-gold.com/userfiles/files/99541812011.pdfIn PDF document text
- https://servingltda.com/userfiles/file/89668496975.pdfIn PDF document text
- http://caycanh.vn/images/fck/file/81507357210.pdfIn PDF document text
- http://indianspringhomes.net/userfiles/files/jivirapanikelukix.pdfIn PDF document text
- https://sukhayurveda.in/userfiles/file/94985247060.pdfIn PDF document text
- http://oio.cn/uploadfiles/files/58161932339.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131fc7d25faa---93299887492.pdfIn PDF document text
- http://tinhdauvietnam.vn/upload/files/bazasumel.pdfIn PDF document text
- https://lifetides.ca/cambridge/uploads/files/rugotuzefisoxepe.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/wezidirojokanumupodujor.pdfIn PDF document text
- http://infinijewelry.com/userfiles/file/86975570689.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1631232769.pdfIn PDF document text
- http://wangguanhardware.com/userfiles/file/15965917186.pdfIn PDF document text
- http://galettedesrois.hu/userfiles/file/tetok.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/0ba0d2d2a8738d8d95dde5cded9fb4a9/dowamuxuta.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=friends+english+subtitles+season+2PDF link annotation
- 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_off0000df11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF11 | 17500 bytes |
SHA-256: e860060b0283d41b7c4f54462e76ca24ce30c0b9c57785d0d2b98718fea5b126 |
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font_01_sfnt_off00010ca8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA8 | 10864 bytes |
SHA-256: 9f4066c53fea482e010303bfdda82beee36f294b6938a612bd102bfc033ab9d5 |
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font_02_sfnt_off00012577.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12577 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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