MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates the document is a link farm on disposable hosting, and numerous external URIs were extracted, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the presence of embedded URLs points to a malicious intent to redirect users to external sites.
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://infrive.ru/uplcv?utm_term=car+racing+3d+hack PDF link annotation
- http://ngocminhcnc.com/demo_thietbimay_24_7/upload/files/zexajejadajopuvujuzoxi.pdfIn PDF document text
- https://bandotrading.it/uploads/file/sekupidiparujobojidena.pdfIn PDF document text
- http://kaushalacademy.org/ckfinder/userfiles/files/medufikepefuviborodifi.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/vawixifu.pdfIn PDF document text
- https://thuaphatlaihanoi.net/uploads/files/zesulivewipomugi.pdfIn PDF document text
- https://hosvagyok.hu/userfiles/file/kunere.pdfIn PDF document text
- http://studiotecnicostradi.eu/userfiles/files/nefefunujigided.pdfIn PDF document text
- http://biomax.shop/filespath/files/20210920050319.pdfIn PDF document text
- http://stl-hk.net/userfiles/rujixaxanas.pdfIn PDF document text
- http://ndt-ultratech.com/files/69200858729.pdfIn PDF document text
- https://war-old.its.vn/new/userfiles/file/mudose.pdfIn PDF document text
- http://zbirozskepodzamci.cz/userfiles/34612526100.pdfIn PDF document text
- http://yingtailong.com/upload/file/210920045959677131jye3dmevc121.pdfIn PDF document text
- https://phukienbep.net/media/files/19438739457.pdfIn PDF document text
- https://piataafacerilor.ro/app/webroot/files/userfiles/files/90550672823.pdfIn PDF document text
- http://portaldeaquidauana.com.br/ckfinder/userfiles/files/82073826796.pdfIn PDF document text
- http://lonerangerfanclub.com/ckfinder/userfiles/files/53367228111.pdfIn PDF document text
- http://www.scea.edu.mn/ckfinder/userfiles/files/65187343412.pdfIn PDF document text
- http://hidramaco.com/files/files/balupitedaluwob.pdfIn PDF document text
- http://banner-ever.com/ckImg/files/72673532616.pdfIn PDF document text
- https://demo.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/togidibosufag.pdfIn PDF document text
- https://helicopterleasingservices.com/userfiles/files/guzebixomukalodibese.pdfIn PDF document text
- http://sxnqx.org/upload/file/Fl202109091504202458.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3alrrijlr750ouqasu5tk40dh2/92131252905.pdfIn PDF document text
- http://delannahotel.com/user_img/file/sudozogasataxop.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_off0000bcfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCFD | 10380 bytes |
SHA-256: b064c0e3ebe31a42eb1242426f049e69f6f1db9002cf78ddd9ec61179bdbd5d4 |
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font_01_sfnt_off0000d429.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD429 | 16692 bytes |
SHA-256: 8389087ad068baa5e5b6359ff18ba7b7bcca07acc1f7ff4627caf90ab0333801 |
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font_02_sfnt_off0000ff00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF00 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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