MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or delivering malicious content. The PDF also contains a large number of external URIs, many of which are hosted on disposable domains, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://tl-maskinfabrik.dk/userfiles/file/nazara.pdf In PDF document text
- https://www.gullyracing.it/admin/ckfinder/userfiles/files/berilofimu.pdfIn PDF document text
- https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/8958326533.pdfIn PDF document text
- http://websteravelandscaping.com/editorData/file/62495543337.pdfIn PDF document text
- http://wingtsunkungfu.ro/imagini_ws/vajubazosufefesole.pdfIn PDF document text
- https://baglab.pl/galeria/file/fadujexoxasizaz.pdfIn PDF document text
- http://ugrctrani.it/userfiles/files/menafimibufabamamanuwezel.pdfIn PDF document text
- http://pathtojanna.com/userfiles/files/6684126766.pdfIn PDF document text
- https://kampusogrenciyurdu.com/file/kinokilukaxisufoxovu.pdfIn PDF document text
- http://maximaviajes.com/FCKfiles/file/13698915187.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614074c41f1d5---72777410901.pdfIn PDF document text
- http://istihdamhaberleri.com/upload/ckfinder/files/64087555252.pdfIn PDF document text
- http://biomax.shop/filespath/files/20210912021823.pdfIn PDF document text
- https://corpusbg.com/files/fck/file/25805556536.pdfIn PDF document text
- https://arslanemlak.com/E/file/In PDF document text
- https://ehlibeytalimleri.com/resimler/files/94512653.pdfIn PDF document text
- https://mbzl-pro.xyz/web/img/podborky/files/lobajolimesedasewarasuren.pdfIn PDF document text
- http://kapalishakti.com/ckfinder/userfiles/files/texobirizuj.pdfIn PDF document text
- http://dkmmotor.com/files/userfiles/file/robarubaju.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614fe2079ffdb---kumogimorubazazopiwukaso.pdfIn PDF document text
- https://mp2020.csysadmin.com/ckfinder/userfiles/files/vosepamekewuvoradek.pdfIn PDF document text
- http://all-paca.com/ckeditor/ckfinder/core/connector/php/uploads/files/gipokugelukewadu.pdfIn PDF document text
- https://biholka.cz/uploades/userfiles/file/wezuwirududedenamoledetif.pdfIn PDF document text
- https://blagoustroystvo24.ru/ckfinder/userfiles/files/xotafilowekumupiraledo.pdfIn PDF document text
- https://dalycity.com/wysiwygfiles/file/muvugemotukikes.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/kapalojikoneg.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+to+draw+diagonal+lines+in+photoshopPDF 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_off0000b66a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB66A | 10748 bytes |
SHA-256: 52072d8567da31e5576d2b13eb780bd4d2ba41bf3e0d4521ddc4a8f46beb2149 |
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font_01_sfnt_off0000ced3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCED3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e6e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E5 | 16752 bytes |
SHA-256: 3114b1d6b88b723c612dc42f945008f3d45ce4eb97e6ec24cb5e45e10884fe6b |
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