MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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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://evaemlak.com/userfiles/file///pepewipazakefuveg.pdf In PDF document text
- https://interstudy.net/userfiles/file/74934980622.pdfIn PDF document text
- http://4darchitecture.org/img/all/44525056485.pdfIn PDF document text
- https://aokman-drive.com/d/files/36008261038.pdfIn PDF document text
- http://unitec-egypt.net/userfiles/file/22299159446.pdfIn PDF document text
- https://alpinebadmintonacademy.com/ckfinder/userfiles/files/vedugovoguzo.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/9950926133ba12dfef2.pdfIn PDF document text
- http://gwardiajuvenia.pl/zdjecia/fck/file/parubafew.pdfIn PDF document text
- http://supermarketdv.ru/files/file/gunupenifafiruso.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/320495e3232334c84da0d9aa5bf86f65/77812790447.pdfIn PDF document text
- https://kenkochaya.com/user_data/ckfinder/files/wakotugujefunesulugu.pdfIn PDF document text
- http://karmakonnect.org/DrumiBhatt/karmakonnect.org/Final/ckeditorimage/files/52447409336.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b517a5d28---momolodusumokovesedis.pdfIn PDF document text
- http://sbcnepal.com/images/file/lajirax.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/42441872587.pdfIn PDF document text
- http://falconfam.com/ckfinder/userfiles/files/84660508321.pdfIn PDF document text
- http://johndanton.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/24581051020.pdfIn PDF document text
- https://dobski.pl/userfiles/file/tironirugezeriji.pdfIn PDF document text
- https://e-ceramika.pl/userfiles/file/10824944565.pdfIn PDF document text
- http://sartoriaventurini.com/userfiles/files/85205101083.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/dizulifirunodil.pdfIn PDF document text
- http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/87574061934.pdfIn PDF document text
- http://alt-1c.ru/userfiles/file/45816338089.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/19545650614.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=isagenix+cleanse+schedule+pdfPDF 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_off0000d766.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD766 | 17092 bytes |
SHA-256: 9cea672036077059b5ee7e57e4ff411ee988d645eed39cf65de3024c4f619f38 |
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font_01_sfnt_off000103c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BDB | 10732 bytes |
SHA-256: f939e7393a0cb388fcbfc798b7b4cf09ed4433a24f827eecbb55ca056e2dc710 |
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