MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, suggesting an attempt to redirect users to malicious content. The presence of external URIs and the link farm heuristic indicate a likely phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crysiq.ru/uplcv?utm_term=io+game+list PDF link annotation
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/biwevedi.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-5/20210905115254866975.pdfIn PDF document text
- http://geologocarmignani.com/userfiles/files/44241598485.pdfIn PDF document text
- https://chowdhurytourism.com/ckfinder/userfiles/files/49962043080.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363f31ea15f---fetakikatufar.pdfIn PDF document text
- http://liluby.com/upload/file/17221540758.pdfIn PDF document text
- http://aexpress.lv/index/images/up/file/zesulajubilav.pdfIn PDF document text
- http://alatasfilms.gr/ILC/img/file/82502825130.pdfIn PDF document text
- http://bowlingkillers.com/imgdb/files/59880583447.pdfIn PDF document text
- http://videlec.be/ressource/file/51183860315.pdfIn PDF document text
- http://studioarclab.eu/userfiles/files/13339706138.pdfIn PDF document text
- https://fontaine-eva.fr/userfiles/files/78177659002.pdfIn PDF document text
- http://lonerangerfanclub.com/ckfinder/userfiles/files/39859392847.pdfIn PDF document text
- https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/vugomovovoxozapovojoni.pdfIn PDF document text
- https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/kolokejodinegepotikuf.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/161394f280634c---gokalabarumijaf.pdfIn PDF document text
- https://devcons.org/uploads/userfiles/files/86952827002.pdfIn PDF document text
- https://globalathena.com/ckfinder/userfiles/files/62175565975.pdfIn PDF document text
- http://millecolori.it/images/file/kosewakujudinesadulitax.pdfIn PDF document text
- https://ekselantechnology.solutions/ckfinder/userfiles/files/98223732446.pdfIn PDF document text
- https://easternresources.net/ckfinder/userfiles/files/46748534191.pdfIn PDF document text
- https://viboot.com/ckfinder/userfiles/files/9319998675.pdfIn PDF document text
- http://zjbfjt.com/upload/files/32862150822.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/28759758409.pdfIn PDF document text
- http://olymp-kiev.com/temp/fckeditor/file/933522807.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_off0000b144.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB144 | 14932 bytes |
SHA-256: 1ea08dd2b7deacdb096266e57a21e8c677400f194d214e5d8cf25559f516a6fe |
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font_01_sfnt_off0000d701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD701 | 10200 bytes |
SHA-256: 8bd8796ff5dce45eb335a08b252d9779bcdcc346da86e2bc412163baaed656ee |
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font_02_sfnt_off0000ede9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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