MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and ML classifiers, indicating a high likelihood of malicious intent. The PDF contains an embedded JavaScript stream and numerous external URIs, many of which are part of a link farm hosted on disposable domains. This suggests the document is designed to trick users into clicking links that likely lead to further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crysiq.ru/uplcv?utm_term=kim+kardashian+hollywood+apk+mod+unlimited+everything+ios PDF link annotation
- https://matrixx.lu/images/26890595398.pdfIn PDF document text
- http://tchid.net/userfiles/file/bebowamijamujekopirudep.pdfIn PDF document text
- http://srilakshmienterprises.net/uploads/99386180173.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613d99497d544---vefomisadevulirixo.pdfIn PDF document text
- http://awarelaxcentrum.cz/user_files/file/27158986006.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613916c51c29a---nesozetakofafe.pdfIn PDF document text
- http://king-pro.com/userfiles/files/77314093662.pdfIn PDF document text
- http://pi-consulting.ch/download/4891707156.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/79778309855.pdfIn PDF document text
- http://esoftland.com/userfiles/file/kosaxulilutezasubi.pdfIn PDF document text
- https://proetcontra.hu/userfiles/file/zerelifo.pdfIn PDF document text
- http://degrossier.nl/uploads/file/18418811772.pdfIn PDF document text
- http://vervesimuhub.com/userfiles/file/nubula.pdfIn PDF document text
- http://kemnhapkhau.com/upload/files/89701255062.pdfIn PDF document text
- http://lejonhund.com/upload/91447641480.pdfIn PDF document text
- https://denizlihorozu.com/resimler/files/jemogawusunuruxarekekira.pdfIn PDF document text
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/25028115040.pdfIn PDF document text
- http://acunambalaj.com/adenoto/upload/files/luluzinivazerefobavedaso.pdfIn PDF document text
- https://gulceoyunlar.com/calisma2/files/uploads/litakine.pdfIn PDF document text
- http://palami.by/images/file/38872460671.pdfIn PDF document text
- http://chothuexeninhbinh.net/data/dulieu/files/24915317139.pdfIn PDF document text
- http://extintoresorigen.com/images/editor/57078738029.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_off0000edfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFA | 11288 bytes |
SHA-256: 736718db23d0f44e5febfe333ad5cfd58c7b588170d01c6190a8057e0160131d |
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font_01_sfnt_off00010824.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10824 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012036.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12036 | 18228 bytes |
SHA-256: b6326abfbce127590f0e8d4d37ad79064ba6b9652d701f639fb5a4e8af6b6d30 |
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