MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs, many of which are hosted on disposable domains, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination or distribute content across many low-reputation sites. No scripts were extracted, but the overall structure and heuristic firings point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://iehyun.com/editorupload/file/tuzujaxizezutit.pdf In PDF document text
- http://faisaltowel.com/survey/userfiles/files/lurud.pdfIn PDF document text
- https://menokatea.com/ckfinder/userfiles/files/25381483051.pdfIn PDF document text
- http://myepres.com/HotelEstimator/userfiles/file/wibopomegawelanip.pdfIn PDF document text
- http://tangiahoang.com/skinkorea/Images_upload/files/rivovupe.pdfIn PDF document text
- http://de.ruben.pl/ckfinder/userfiles/files/wipilifisudowigajipetivu.pdfIn PDF document text
- http://acsalma.hu/userfiles/files/defemowikegefa.pdfIn PDF document text
- https://bulgariapools.com/contents/files/97128370058.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16131d0e8ed0a1---legidewidizujaroko.pdfIn PDF document text
- https://angkorphotographyguide.com/userfiles/file/11160392054.pdfIn PDF document text
- https://hygradeinsulators.com/images/uploads/file/49358970984.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/56211683631.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394bcaa932e---64851895544.pdfIn PDF document text
- http://portalcom-b2b.es/img/user//file/_0879931001630998922.pdfIn PDF document text
- https://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/97742332296.pdfIn PDF document text
- http://vangphutai.com/images/uploads/files/wozuleduwubarirarujog.pdfIn PDF document text
- https://robertbah.si/files/file/kuzumupefejazujetukebo.pdfIn PDF document text
- http://opuspointpartners.com/ckfinder/userfiles/files/patuwefowojuxafe.pdfIn PDF document text
- http://natpuedu.in/userfiles/file/6346655546.pdfIn PDF document text
- http://agendatourvietnam.com/hinhanh/file/wazirasajofazakonujizovul.pdfIn PDF document text
- https://asztromiskolc.hu/ckfinder/userfiles/files/19726992792.pdfIn PDF document text
- http://xedaptheduc.net/app/webroot/uploads/files/lanarufalorudupukako.pdfIn PDF document text
- http://asfalon.com/__files/file/tibotatonejo.pdfIn PDF document text
- http://narcisse.sk/editor_uploads/files/74917474124.pdfIn PDF document text
- https://flammerouge.ch/userfiles/files/24170611994.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=download+game+granny+mod+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://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_off0000c4fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD14 | 10672 bytes |
SHA-256: 2675c53dc0388fb2f119333f6613baa06acbf590df12035b4f2dec3e41f1ba86 |
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font_02_sfnt_off0000f551.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF551 | 16228 bytes |
SHA-256: 95891a596704f8e8f8b6cdf0afee897bccc5a0cda8d3610baeb6d930d19834c2 |
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