MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and is flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links pointing to potentially disposable hosting, suggesting a tactic to obscure malicious destinations. The presence of embedded URLs and the overall structure strongly suggest this PDF is intended to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://pistant.ru/uplcv?utm_term=photo+recovery+restore+photos+premium+apk PDF link annotation
- https://clubkdo.fr/img/pics/files/32264514939.pdfIn PDF document text
- http://www.childofafrica.org/media/userfiles/file/85675646422.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202109141705595335.pdfIn PDF document text
- http://charolais-hessen.de/write/userfiles/file/60072158029.pdfIn PDF document text
- http://apz-arte.com/ckfinder/userfiles/files/rumugefatinovufenoza.pdfIn PDF document text
- https://norservis.cz/files/files/jitilesabinokilaxefozezix.pdfIn PDF document text
- http://testplanet.nl/uploads/files/jutorabozalajedajajuku.pdfIn PDF document text
- http://yakutiaprime.ru/SITE/files/editor/file/xetilimexukinujifulibew.pdfIn PDF document text
- http://xn--nellieskche-0hb.de/userfiles/file/80411910817.pdfIn PDF document text
- http://jr-bang.com/uploadfiles/20210903061320.pdfIn PDF document text
- http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/96848896137.pdfIn PDF document text
- https://cobaltinc.org/userfiles/file/73270841837.pdfIn PDF document text
- http://grasslandtj.com/upload/files/lemigedatevo.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/zaxewusupixuwenasasuka.pdfIn PDF document text
- https://cam-ceeds.org/ckfinder/userfiles/files/jepunoraxojupezuj.pdfIn PDF document text
- http://rovitek.com/userfiles/file/1433656783.pdfIn PDF document text
- http://ginzaoakland.com/uploads/files/tamow.pdfIn PDF document text
- https://tapuionoticias.com/ckfinder/files/kawegogeboxolebikuro.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2eb2e8ff7---silavivuxakez.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/161375f19f0c7b---54164057676.pdfIn PDF document text
- http://lsmtrontractor.com/upfiles/file/20210907014858.pdfIn PDF document text
- http://uforoi.com/app/webroot/uploads/files/44211736687.pdfIn PDF document text
- http://divodizain.ru/ckfinder/userfiles/files/kodefator.pdfIn PDF document text
- https://play.google.com/store/apps/details?id=com.wIn 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_off0000d19f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD19F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e9b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B1 | 17264 bytes |
SHA-256: 9e324567b3b1a802eb170f1912bdf3598c6de62af122c382ff16d270016d1bc0 |
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font_02_sfnt_off000116f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116F2 | 10864 bytes |
SHA-256: e0419774af39b4fa593bad9b701f11a1863a6193506efc1fc67ee1e1229ee91d |
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