MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a scheme to manipulate search engine results or redirect users to malicious content. The presence of external URIs and the overall structure point towards a phishing or SEO spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
Heuristics 5
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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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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://docommerce.co/calisma2/files/uploads/92958164969.pdf In PDF document text
- https://nocnepal.org.np/ckfinder/userfiles/files/dalagotunedokej.pdfIn PDF document text
- http://phonphangschool.com/upload/files/saximigitenak.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210912_C834360C3FB1149F.pdfIn PDF document text
- http://officinedesign.it/userfiles/files/nezosekekelevafubufusobij.pdfIn PDF document text
- https://stancijanegrin.com/userfiles/file/43174728562.pdfIn PDF document text
- http://kool-house.com/upload/editor/file/79106352842.pdfIn PDF document text
- http://tinhdauvietnam.vn/upload/files/tobaravediwolodavon.pdfIn PDF document text
- https://sunkamalzemecilik.com/userfiles/file/vilarex.pdfIn PDF document text
- https://nulifeus.com/~nulife/userfiles/file/foxejowiwaxud.pdfIn PDF document text
- http://willbramephotography.com/26699300445.pdfIn PDF document text
- http://hstairan.com/FCKeditor/editor/filemanager/connectors/php/userfiles/file/tajomajezuwifig.pdfIn PDF document text
- http://dermatologomiguelgallego.com/miguel/fck/file/jonebax.pdfIn PDF document text
- https://tierlistei.ch/downloads/88643873654.pdfIn PDF document text
- http://ozsersogutma.com/upload/files/88539524810.pdfIn PDF document text
- http://ginkgokatsudb.com/uploads/files/pakenut.pdfIn PDF document text
- http://www.herbertvanderbrugghen.nl/draft/wuperugaxedukamidure.pdfIn PDF document text
- http://nataliashishkina.com/userfiles/file/movasuzuduvukerulo.pdfIn PDF document text
- http://ihdbd.org/upload/files/bekipofa.pdfIn PDF document text
- http://ekvatorbl.com/userfiles/file/xebibuwixonat.pdfIn PDF document text
- https://semagro-msw.ru/pics/images/file/44990324788.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/qf365vjrqhhh0bo9ogqfma9357/xunuvifubijulaja.pdfIn PDF document text
- http://sgo-bage.com/public/files/files/17304778643.pdfIn PDF document text
- http://one9five.com/userfiles/files/xusikawavegeta.pdfIn PDF document text
- https://1tlstar.com/storage/uploads/files/nefewitaxuvikob.pdfIn PDF document text
- http://hcvitamin.com/webroot/img/files/42258080882.pdfIn PDF document text
- http://atlonnuri.org/UpLoadImage/editer/files/xilaginiravip.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=if+you+love+me+now+chicagoPDF 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_off00010123.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10123 | 21876 bytes |
SHA-256: 2c058bd33108f546812946ac8d54d0e0b159045643ef4208846fd56255a28a0f |
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font_01_sfnt_off00013a00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A00 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015217.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15217 | 10736 bytes |
SHA-256: 120ed19906fe349b126660281a8a7d431fbe25b91e3431cce3cb47d06cf5e0ff |
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