MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The sample also exhibits characteristics of a link farm, with numerous URLs pointing to disposable hosting, including one that uses a raw IP address. These elements strongly suggest the PDF is designed to lure users to malicious sites or download further malware, consistent with a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://suamayin.biz/userfiles/file/puzabutifeto.pdf In PDF document text
- https://matratva.in/userfiles/file/86440726029.pdfIn PDF document text
- http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/winizatozagikexin.pdfIn PDF document text
- http://audiohrestomatiya.ru/content/file/woratelo.pdfIn PDF document text
- http://taociren.com/upload/file/210903120003650127j2g988o0i13v.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/h4hvc4cu83c9bvi5p88g1ncgir/25302471674.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/18690298008.pdfIn PDF document text
- http://westernmaki.com/uploads/files/57987483168.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/zomolexuguji.pdfIn PDF document text
- http://mateuszkucharski.pl/admin/file/13770413542.pdfIn PDF document text
- http://antonellascarpittadesigner.it/userfiles/files/bofaguba.pdfIn PDF document text
- http://mazurubezpieczenia.pl/zdjecia/fck/file/24652759893.pdfIn PDF document text
- http://mienjoy.com/upload/16573685726.pdfIn PDF document text
- http://vaynhe.com/upload/files/21761766144.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/161619860ae770---donowafuzixit.pdfPDF link annotation
- https://euronet.stonavka.cz/webpagebuilder/ckfinder/userfiles/files/nelotemusamiroso.pdfIn PDF document text
- http://prograsifkalip.com/files/32762475633.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/kitapijudovirapotilalen.pdfIn PDF document text
- http://zapatosperezcabrera.com/ckfinder/userfiles/files/dokatebepejarexasetuxini.pdfIn PDF document text
- http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/39664230050.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e4800eab5---sidozobapexegoxeka.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/oscUj7J0Gjw/uplcv?utm_term=name+two+fat+soluble+vitaminsPDF 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_off00012314.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12314 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013b26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B26 | 19984 bytes |
SHA-256: deac4f1ac2541e702c9f61f49b5c6ee7b0a1905489ca394c0d5c7cd49015ed3b |
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font_02_sfnt_off00016e82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16E82 | 10644 bytes |
SHA-256: 626cd3a32ab202f5af5fa1acd4fb97a06bf9be2e8ba9e760564438bd4ea50730 |
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