MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, with a high ML classifier score and ClamAV detection indicating malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is structured to redirect users to a large number of potentially malicious sites, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
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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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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://itena.si/uporabnik/file/26584446144.pdf In PDF document text
- http://struttur-arch.it/userfiles/files/14499006026.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/77012475336.pdfIn PDF document text
- http://ozt.zielonetarasy-cieplice.pl/uploads/userfiles/files/kemonurulegopofovi.pdfIn PDF document text
- http://tatnhapkhau.com/ckfinder/userfiles/files/jafilodedubow.pdfIn PDF document text
- http://acupunctuuryao.nl/ckfinder/userfiles/files/61482724388.pdfIn PDF document text
- https://eminentland.com/admin/userfiles/files/laruxatowi.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613927cb0c393---karagodajinexodirov.pdfIn PDF document text
- https://aquamedicasatumare.ro/ckfinder/userfiles/files/mixuvukezuxan.pdfIn PDF document text
- http://krcatikyonetimi.com/userfiles/file/bitamapejek.pdfIn PDF document text
- https://ms01bet.net/contents/files/57088702113.pdfIn PDF document text
- http://zhongguohuachun.com/d/files/17206619405.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/sovurokalafibejafesegu.pdfIn PDF document text
- http://tw-tms.com/uploadpic/xw/files/pigodunemupusawidaliviken.pdfIn PDF document text
- http://delfosventures.com/userfiles/files/rigefiropoduvuzafa.pdfIn PDF document text
- http://yunnanyingxiang.com/ckfinder/userfiles/files/pigujuruvapanuzapikanimam.pdfIn PDF document text
- http://coverybox.box8websites.com/ckfinder/userfiles/files/folunizaxojidazajejabimu.pdfIn PDF document text
- http://krukewittfarms.com/userfiles/file/wulutiregi.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/89754581056.pdfIn PDF document text
- http://thewesternmist.com/userfiles/file/64873219018.pdfIn PDF document text
- http://staresecurity.com/userfiles/file/6175466563.pdfIn PDF document text
- http://riggi.ru/userfiles/file/zulawewigulebififebekox.pdfIn PDF document text
- https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/lotapegoguk.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614366741aaf7---91713992147.pdfIn PDF document text
- http://kaizousha.com/js/upload/files/73453669331.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=the+most+popular+phrasal+verbsPDF link annotation
- http://alessandrotria.altervista.org/areap/ckfinder/userfiles/files/55495166498.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_off0000f187.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF187 | 10592 bytes |
SHA-256: 4020e68f3999836a4a220b8f5cdecb5970f658649a0fa338963d4918917388c4 |
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font_01_sfnt_off0001098f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1098F | 17716 bytes |
SHA-256: 5c5ce1e07b9adc4660ed24622fc92e6a772bf0ca90a529796dafbe36d44b7a5d |
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font_02_sfnt_off00013730.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13730 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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