MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains and configured as a link farm. This behavior is indicative of a phishing or malware distribution scheme, where the document serves as a lure to direct users to malicious websites. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 6
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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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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://hidramaco.com/files/files/92324823232.pdf In PDF document text
- http://xn--d1achljw0b.xn--p1ai/content/upload/naviza.pdfIn PDF document text
- http://hpworld.hu/data/pic/Image/file/24709954383.pdfIn PDF document text
- https://stephankeppel.com/userfiles/file/8303640292.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613ecf8f514bb---63687164512.pdfIn PDF document text
- http://tearose-kitchen.com/sites/default/files/images/imcefile/zegusoposof.pdfIn PDF document text
- https://vigilanciaweb.cl/dinamicos/files/file/78087763166.pdfIn PDF document text
- https://airflow-skateboards.com/upload/file/6888624541.pdfIn PDF document text
- http://melodylavernebettencourt.com/media/file/rofizoselasasonesixilijoz.pdfIn PDF document text
- https://konferencii.ru/js/ckfinder/userfiles/files/12619663205.pdfIn PDF document text
- http://kleiberit.ru/files/file/tofawokalusom.pdfIn PDF document text
- http://lukinserv.hu/file/ladij.pdfIn PDF document text
- http://xz-brand.com/ckfinder/userfiles/files/95584860401.pdfIn PDF document text
- http://sromedical.com/file_media/file_image/file/63816010187.pdfIn PDF document text
- http://ibnuaffan.com/ckfinder/userfiles/files/kuxonuxuvibuti.pdfIn PDF document text
- https://calprin.com/ckfinder/userfiles/files/740635494.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614439fb9cf13---keruwavavewo.pdfIn PDF document text
- https://swiz.eu/files/editor/22790693076.pdfIn PDF document text
- http://foodchemsino.com/d/files/43826616130.pdfIn PDF document text
- http://globalcentral.net/contentupload/fckeditorUploads/organization_/file/72371143020.pdfIn PDF document text
- https://jager-ig.tw/up_photo/file/nugikovisalidatu.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/75603001529.pdfIn PDF document text
- http://balogmihaly.hu/UserFiles/file/lupakebexejafuki.pdfIn PDF document text
- http://viquadro.com/userfiles/files/didekuzuxafeviw.pdfIn PDF document text
- https://taiwancy.com/app/webroot/userfiles/files/71550362455.pdfIn PDF document text
- http://jnejendomsdrift.dk/userfiles/file/sofosuzenar.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=mr+spy+undercover+agent+apkPDF 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_off0000bf05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d71c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD71C | 10916 bytes |
SHA-256: 11c3fca334e3a976d12cd2e9fe228563477e4367126550a9cd07da6e3213c0e0 |
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font_02_sfnt_off0000f064.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF064 | 15992 bytes |
SHA-256: 3c5c2d2a9c16f1e5c813787b0c83dd716d0ecc5f0c5d7e854d3b7ae851f6c7d3 |
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