MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to disposable domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of embedded URLs and the PDF_RANDOM_URL_LINK heuristic further support that this document is designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 http://zae.me/datafiles/file/nimilokinuriv.pdf In PDF document text
- https://pmrmhss.com/userfiles/file/36513412904.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/94227950564.pdfIn PDF document text
- http://thebodyclubonline.com/userfiles/file/xemugato.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-9-3/20210903132500782264.pdfIn PDF document text
- http://xn--h49al71atridzo.com/userData/board/file/28175512155.pdfIn PDF document text
- http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/61625238832.pdfIn PDF document text
- https://perfecthospitals.org/ckfinder/userfiles/files/20542810525.pdfIn PDF document text
- https://dangeloremodeling.com/nbloom/fckuploads/file/30013229554.pdfIn PDF document text
- http://discus-rus.ru/upl/file/zusimamaw.pdfIn PDF document text
- http://belloverde.net/emailer/file/34523066947.pdfIn PDF document text
- http://talesma.com/E/file/31992711523.pdfIn PDF document text
- http://lucidareemantenerepavimentifaidate.it/userfiles/files/21391450941.pdfIn PDF document text
- http://nomayaku.com/userfiles/file/35407612019.pdfIn PDF document text
- https://hsiaoying.com/userfiles/file/fopeti.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/xoxakixitudosuv.pdfIn PDF document text
- http://waycreon.net/bhaskar/yii/upload/files/tizozogexodokopubokagesof.pdfIn PDF document text
- http://portaldeaquidauana.com.br/ckfinder/userfiles/files/2937606834.pdfIn PDF document text
- https://skatrip.com/basefile/skatripcom/files/65571816585.pdfIn PDF document text
- http://olympiad-bigben.ru/ckfinder/userfiles/files/poderedawakojukiveduxa.pdfIn PDF document text
- http://megalabsrl.it/userfiles/files/81652170627.pdfIn PDF document text
- http://waterlootour.com/FileData/ckfinder/files/20210908_5E9E1934298BF67E.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137d4254828f---80623289886.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/ffc7d7234ea8f3063ba9df5449c2e76d/rovanize.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=telegram+channel+apk+downloadPDF link annotation
- 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_off0000d9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D7 | 10744 bytes |
SHA-256: 61a4e6204c0b669a744e3359a8939159848825a7ea30295c01c4bf28614acfdd |
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font_01_sfnt_off0000f234.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF234 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A46 | 17996 bytes |
SHA-256: 5f17dcaded009c3014463be6571dd5602f6731ad5ba3e93e8a699c5795ecfec0 |
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