MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a large number of embedded URLs, many pointing to disposable domains or link farms, suggesting a phishing or malware distribution campaign. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM specifically indicates a link farm on disposable hosting, reinforcing the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://crysiq.ru/uplcv?utm_term=automatic+scroll+apk+pro PDF link annotation
- https://ist-lb1.istanajp.com/contents/files/xogarizu.pdfIn PDF document text
- http://jjw-led.com/userfiles/file/dowerudela.pdfIn PDF document text
- http://branonperformance.com/ckfinder/userfiles/files/7746223454.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/b367ae64ad008765801a801eab913897/83225195900.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161452cba0f4de---bizufigipuk.pdfIn PDF document text
- http://3e3i.com/UserFiles/file///65524361034.pdfIn PDF document text
- https://www.creativetalentnetwork.com/ckfinder/userfiles/files/tobatekuseriwilurinaver.pdfIn PDF document text
- http://manchetenewsms.com.br/ckfinder/userfiles/files/wezinafunobomofetofi.pdfIn PDF document text
- http://infoguard.ru/content/file/gezaviwires.pdfIn PDF document text
- http://doggystylzgrooming.com/admin/photos/file/17208907512.pdfIn PDF document text
- http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/35871862226.pdfIn PDF document text
- https://creteotels.gr/FCKeditor/userimages/file/17145304299.pdfIn PDF document text
- http://joinsocialbubble.com/cake/beta/userfiles/file/pafew.pdfIn PDF document text
- https://tenfci.org/userfiles/file/xirepewizevemi.pdfIn PDF document text
- https://ruh-center.ru/userfiles/file/72010225651.pdfIn PDF document text
- https://congchungnguyenlieu.vnpec.xyz/uploads/files/limajogake.pdfIn PDF document text
- https://alident.centralcms.cloud/galeria/files/rovidonibetivux.pdfIn PDF document text
- https://nutritie-metabolism-sanatate.ro/app/webroot/files/userfiles/files/64097325603.pdfIn PDF document text
- http://zdravi-kromeriz.cz/files/file/45076461448.pdfIn PDF document text
- http://sapientgenerator.ru/files/userfiles/files/39375323526.pdfIn PDF document text
- https://cancelaria.pl/galeria/file/kutujiwaj.pdfIn PDF document text
- https://grdr.org/paidel/ckfinder/userfiles/files/22450781478.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/bokinisajitubigiji.pdfIn PDF document text
- http://www.grupoaccs.net/ckfinder/userfiles/files/45995286588.pdfIn PDF document text
- https://8cj2aja7-8mxb.com/contents/files/wevoxanapoveri.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_off0000b00c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB00C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c823.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC823 | 10472 bytes |
SHA-256: cc8557a0be68f94812d21747ce809c26570301c79bbd1306e890e1fce843f2ec |
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font_02_sfnt_off0000dffd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFFD | 15776 bytes |
SHA-256: 7aa551fe199c7b7f5b48ff186c5a475b5a260845da81ea1b53d2e05009dd923c |
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