MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to external PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to lead users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://driver-jazda.pl/upload/file/mevitozejazegobiparimoj.pdf In PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/47e414fdac0ea93251eaaf47184646de/31989319662.pdfIn PDF document text
- https://groupunsur3.com/contents/files/wufogiginumusereri.pdfIn PDF document text
- http://www.petersonassoc.com/emailimages/file/lovozeralig.pdfIn PDF document text
- https://onecre.com/images/content/files/remos.pdfIn PDF document text
- http://wxeina.com/userfiles/files/sidonamavisosilewepajav.pdfIn PDF document text
- http://qianxi.cn/filespath/files/20210906215557.pdfIn PDF document text
- http://malovanesklomh.cz/images/file/5111267438.pdfIn PDF document text
- https://rjpexport.com/files/72914585513.pdfIn PDF document text
- https://kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/42267369555.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///vigik.pdfIn PDF document text
- https://www.meditech.cz/ckfinder/userfiles/files/33337621520.pdfIn PDF document text
- http://officeharbor.com/pdtInfo/85684199735.pdfIn PDF document text
- http://www.pics4us.de/userfiles/file/32614134693.pdfIn PDF document text
- http://thietbikhachsanvinhhung1.com/upload/files/87594406200.pdfIn PDF document text
- https://gencerenerji.com/resimler/files/fixobuxugifemavu.pdfIn PDF document text
- http://acsalma.hu/userfiles/files/53434027528.pdfIn PDF document text
- http://cgemfoco.com.br/ckfinder/userfiles/files/23538691215.pdfIn PDF document text
- http://canoeing.by/pics/files/dopawamuravezegozilavugat.pdfIn PDF document text
- http://form4concrete.ru/pics/cont/file/tuvizafela.pdfIn PDF document text
- https://dm288.com/slicice/file/dexaxijug.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/bapunagokowarutitugewebe.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/ahlk7uaad8132e0491nbhpidjn/sukisuduv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=how+do+i+get+messenger+on+this+phonePDF link annotation
- http://cluster006.ovh.net/~greeters/be/ckfinder/userfiles/files/50641266945.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_off0000b6e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6E7 | 17092 bytes |
SHA-256: ba420b942ec5b2acd9956d4ba7c2ec880b754e0bf742b8316a17d1e69376555d |
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font_01_sfnt_off0000e2db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000faf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF2 | 10708 bytes |
SHA-256: a2a4c9a8b4b63a7778001fa536f6d651e2faf17769de5785532321ec3287221c |
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