MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many of which are hosted on disposable domains and appear to be part of a link farm. One prominent URL, 'https://infrive.ru/uplcv?utm_term=among+us+free+download+pc+free', suggests a lure for downloading software. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://infrive.ru/uplcv?utm_term=among+us+free+download+pc+free PDF link annotation
- http://fd-health.com/upload/ckeditor/files/jolebemu.pdfIn PDF document text
- http://hgbs.de/userfiles/file/3365795479.pdfIn PDF document text
- http://radioevangilereal.com/assets/ckfinder/core/connector/php/uploads/files/bexuvatexivabi.pdfIn PDF document text
- http://maginsaatmetal.com/resimlerfiles/4415401797.pdfIn PDF document text
- http://szyldkj.com/luodan/images/userfiles/file/70877943707.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/pilepudubipawupipizejepud.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/vezejetovuno.pdfIn PDF document text
- http://sipsak.nl/userfiles/file/nisibedepaw.pdfIn PDF document text
- http://www.valathors.com/ckfinder/userfiles/files/xujefazinazonisexorez.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea28b84758---giwunelozekazizu.pdfIn PDF document text
- https://reparationmobile.net/userfiles/file/bovebanog.pdfIn PDF document text
- https://callmarkinvestments.com/callmark/files/68225985356.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/fa368d71705639b9ff077234d731756b/pimopik.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/61152134912.pdfIn PDF document text
- http://youngthisyear.com/ckfinder/userfiles/files/29346890257.pdfIn PDF document text
- http://freeski.hu/freeski/file/pigeloruk.pdfIn PDF document text
- https://rajatotogroup4.com/contents/files/puvidefazosetuvigifev.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/37979102153.pdfIn PDF document text
- http://vinhthuan.vn/upload/files/31665563313.pdfIn PDF document text
- https://archielectronics.com/userfiles/files/2501845212.pdfIn PDF document text
- http://sportschoolindex.nl/images/uploads/39318228412.pdfIn PDF document text
- http://nokianhakkablue.ru/ckfinder/userfiles/files/2764059004.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_off0000cdbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDBD | 19040 bytes |
SHA-256: ec2b67f71e883b3543ecd9fd5a9c5f0023c9d33f7ba5d0417c8f819a895e8992 |
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font_01_sfnt_off0000fdb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000115cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115CD | 10940 bytes |
SHA-256: 3c5f36baeee4dd9fcf85abd6e92a002bac663c14bbc2de0d134efe9d8447f0c3 |
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