MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting vulnerabilities or redirecting users. The presence of numerous external URIs, many pointing to potentially disposable domains, suggests a link farm or phishing attempt. ClamAV detection and ML classification strongly indicate malicious intent, likely to download a second-stage payload or redirect to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://capitaloffice.pl/fotki/file/98008246614.pdf In PDF document text
- http://apsara.ru/userfiles/file/84001688335.pdfIn PDF document text
- http://woykoff.hu/upload/file/jotorolumunerevovovugopu.pdfIn PDF document text
- http://satisfytech.com/ck/upload/files/vizowega.pdfIn PDF document text
- http://cinstech-inspect-survey.com/fckeditor_userfiles/file/33708038108.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/zetoxewonupizadanuf.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff12bd6f35---53204714007.pdfIn PDF document text
- http://car-zone.sk/data/data/file/2986841267.pdfIn PDF document text
- https://timminsrenovations.ca/file/7k9AlcJorlzet0O0.pdfIn PDF document text
- https://tktravelkorea.com/FileData/ckfinder/files/20210910_7905A63985AD8D82.pdfIn PDF document text
- https://frisch.ro/files/file/34391234108.pdfIn PDF document text
- http://ipea.kr/userData/board/file/gedowelig.pdfIn PDF document text
- http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/sevoribudekavofo.pdfIn PDF document text
- http://villahetzwartepaard.nl/survey/userfiles/files/tolusumujorolo.pdfIn PDF document text
- http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/mufajerikiwuvipamudo.pdfIn PDF document text
- http://kayapaliinsaat.net/file/vikedofumiruweberomuw.pdfIn PDF document text
- http://kmbb.at/userfiles/file/mewaguke.pdfIn PDF document text
- http://evevoyance.fr/adh/.-/file/86550769400.pdfIn PDF document text
- http://zvaracskaskola.eu/editor_uploads/system/files/67792778152.pdfIn PDF document text
- http://nollve.com/img/editor/image/file/39869082063.pdfIn PDF document text
- http://thetsaban3watnuea.com/UserFiles/file/lodugofoxoworanugulud.pdfIn PDF document text
- https://detskeihriska.eu/ckfinder/userfiles/files/74583578419.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/a4ea6c325f8812a0950d4bf963c7ccdf/75743616662.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=999+games+in+1+apkPDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA8C | 16192 bytes |
SHA-256: 126aabc53b187bc4421529373f04e2f66a11804dfeaeb35cb650b132d56c1dbd |
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font_01_sfnt_off0000f02d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02D | 1868 bytes |
SHA-256: b44e304f4199d162c520aa61e4565b27969aa952fa2ee1db3f4cf671ae1a9eb8 |
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font_02_sfnt_off0000f8e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E5 | 10444 bytes |
SHA-256: d80791cb86940df28f2b83f7d788df7b816da3e497e2b891b65d702c5d945ef3 |
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font_03_sfnt_off00011096.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11096 | 24028 bytes |
SHA-256: 79d1e20151c566b25a49b7939adfb1450cb75020bba676eff854ed1105034c65 |
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font_04_sfnt_off00014dc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DC5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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