MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting PDF vulnerabilities or redirecting users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous unknown URLs suggest a phishing or spam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lead users to malicious sites for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://marisqueandopremios.com/campannas/file/zaworoximoreza.pdf In PDF document text
- https://vicareyou.com/userfiles/file/35948690419.pdfIn PDF document text
- http://meimagedance.tw/ufiles/files/puliluwexugaw.pdfIn PDF document text
- https://ksdc.in/userfiles/file/zitenegakebumumaw.pdfIn PDF document text
- https://www.mediawerf.nl/bundles/store24backoffice/ckfinder/userfiles/files/41536580284.pdfIn PDF document text
- http://asupuro.com/user_data/image/file/47654196782.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/95869925811.pdfIn PDF document text
- https://otterdisplay.com/userfiles/file/47299468293.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615570f97ba02---lamudosidudikax.pdfIn PDF document text
- http://servicedental.it/userfiles/files/mefokomisotipigunejide.pdfIn PDF document text
- https://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/43952505639.pdfIn PDF document text
- http://cathyourhair.nl/js/ckfinder/userfiles/files/lupogaba.pdfIn PDF document text
- https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/69671631036.pdfIn PDF document text
- http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/xebuxadaxuvutomonizurif.pdfIn PDF document text
- http://autavrabek.cz/obrazky/file/sovevokawijuxev.pdfIn PDF document text
- http://saraya-shop.ru/upload/files/97664541805.pdfIn PDF document text
- http://formpart.com/upload/ckfinder/files/zepurifobebuka.pdfIn PDF document text
- http://hebakotb.net/userfiles/file/daxefadelomemibup.pdfIn PDF document text
- https://borsalino.ro/imagini_ws/51572720763.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/35329326459.pdfIn PDF document text
- http://xn--nellieskche-0hb.de/userfiles/file/30790170871.pdfIn PDF document text
- https://htapigroup3.com/contents/files/gutiladiniwojasiw.pdfIn PDF document text
- http://alles-vom-schreiner.de/userfiles/file/bugelowewowopusipipa.pdfIn PDF document text
- https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/kegixuxatasovikul.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=marked+by+the+alpha+read+onlinePDF 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_off0000b194.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB194 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c9a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9A6 | 16140 bytes |
SHA-256: a10862f5f7a22513799790684c1223bde80b0682c9348fd78f22acbb4f1516ae |
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font_02_sfnt_off0000f2c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C3 | 10660 bytes |
SHA-256: 459e8f6f0f049300e220804799e9287fd4bd8be2d6bb79ab7880793f24814945 |
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