MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The PDF contains an embedded JavaScript stream and numerous external URIs, many pointing to disposable domains, consistent with a link farm used for phishing or malware distribution. The presence of embedded JavaScript suggests an attempt to execute malicious code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://coffeetuanvang.com/Images_upload/files/kijakaxote.pdf In PDF document text
- http://risme.vn/files/zibine.pdfIn PDF document text
- http://tufaghanafc.com/js/ckfinder/userfiles/files/29523837152.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210913045205.pdfIn PDF document text
- https://haysalon.com/public_html/userfiles/file/76495058223.pdfIn PDF document text
- http://navigator-nsk.ru/userfiles/file/4021320187.pdfIn PDF document text
- http://factory-01.com/js/upload/files/97500371538.pdfIn PDF document text
- http://maginsaatmetal.com/resimlerfiles/pazimifutorufizos.pdfIn PDF document text
- https://pmapmc.com/userfiles/image/files/sovozodo.pdfIn PDF document text
- http://ip-malkov.ru/uploads/files/89798784773.pdfIn PDF document text
- https://napraforgohotel.hu/upload/file/tolupelerenos.pdfIn PDF document text
- http://synerfreight.com/syner_upload/images/files/45947287672.pdfIn PDF document text
- https://saptabangunmanunggal.com/indomobils/upload/file/2350233236.pdfIn PDF document text
- http://zawodydrwali.pl/app/webroot/userfiles/file/24804917273.pdfIn PDF document text
- http://townofwinslowin.com/flash/townofwinslowin.com/file/novuvologalu.pdfIn PDF document text
- http://slkuang.com/v15/Upload/file/2021914820533741.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146d9095f5d6---xurolig.pdfIn PDF document text
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/74347271997.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/31628769071.pdfIn PDF document text
- http://brno-skoleni.cz/ckfinder/userfiles/files/sosonif.pdfIn PDF document text
- https://illustrations.noche.fr/images/files/18578393273.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16134aa65c09c4---rezalu.pdfIn PDF document text
- http://vinhomeshaiphong.net/app/webroot/img/files/xewumipimotovobalilivu.pdfIn PDF document text
- http://erulingua.hu/uploads/content_files/files/13816180475.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=como+girar+un+video+androidPDF 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_off0000d6e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E5 | 10476 bytes |
SHA-256: cc5a1345a01e042578e039d1655a954ea0c153c4ebb675164398407d5bc74270 |
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font_01_sfnt_off0000ee81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010693.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10693 | 19240 bytes |
SHA-256: c84529c14398c847d4bddc74e9ddb19b85d90e11a362da48ff1f20fb3fbd7f9f |
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