MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the PDF is designed to host many links on potentially disposable domains, further supporting a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://pistant.ru/uplcv?utm_term=hello+android+program PDF link annotation
- https://pollackmihalyiskola.hu/ckfinder/userfiles/files/devof.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/26785beec340eb1d606c43d32b0462f7/rosimafi.pdfIn PDF document text
- http://ilink.pl/userfiles/file/64635839233.pdfIn PDF document text
- https://laurallo.com/ckfinder/userfiles/files/bijavesanor.pdfIn PDF document text
- http://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/sivutetakogesejusulus.pdfIn PDF document text
- http://gardenofsound.com/userfiles/files/polizujuxazetimogon.pdfIn PDF document text
- http://salonorganica.ru/upload/files/66983689793.pdfIn PDF document text
- http://thehedgerowchronicles.com/ckfinder/userfiles/files/74997203008.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/569a04f59813e547b8e42dc1f34beb4f/60506120293.pdfIn PDF document text
- http://tainanrup.longi.tw/uploadfiles/files/20210917_052713_8819.pdfIn PDF document text
- http://struttur-arch.it/userfiles/files/batanabefujinilosa.pdfIn PDF document text
- https://chatham-ebenezer.ckdomain.com/uploads/userfiles/files/41212654326.pdfIn PDF document text
- http://bagodilovaspark.hu/userfiles/file/48824107580.pdfIn PDF document text
- https://nusamulticentralestari.com/Uploads/userfiles/files/91988721187.pdfIn PDF document text
- http://medical-1669.com/userfiles/files/kidokazezejetok.pdfIn PDF document text
- http://soleilboo.com/images/uploads/files/9495608512.pdfIn PDF document text
- http://goang-hann.com/uploads/files/202109121251518922.pdfIn PDF document text
- http://akifkasaboglu.com/esatfisek/images_upload/files/39035264311.pdfIn PDF document text
- https://fetogram.ir/images/upload/files/69257231799.pdfIn PDF document text
- http://pusheng168.com/uploadfiles/20210901122928.pdfIn PDF document text
- http://www.hydro-tg.pro/upload/file/23158195660.pdfIn PDF document text
- https://tpijobportal.com/ckeditor/ckfinder/userfiles/files/29982027165.pdfIn PDF document text
- http://giaexploring.it/userfiles/files/gofezitekakubumifosek.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_off0000e955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE955 | 10460 bytes |
SHA-256: a17d021e1f697ccf028b1439fe6e97ac721b04aa1b2bef9c183964d511e4fd8d |
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font_01_sfnt_off000100ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000118be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118BE | 18944 bytes |
SHA-256: 9a80cbec4d73aaacff38e3042058a41c081f8bfc692bbf53494e9dbc29939c51 |
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