MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious content. The presence of numerous external URIs, many pointing to disposable domains and structured as a link farm, suggests a phishing or malware distribution attempt. The `PDF_SEO_DISPOSABLE_LINK_FARM` heuristic specifically highlights the suspicious nature of these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 5
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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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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 https://irlanc.ru/uplcv?utm_term=install+android+apps+on+tizen+tv PDF link annotation
- https://manenshop.com/upload/files/16580289482.pdfIn PDF document text
- http://bursaceyizgelinlik.com/images_upload/files/13426724196.pdfIn PDF document text
- http://hermandadperdon.es/userfiles/file/7625698264.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/dosatotufafogijiwebi.pdfIn PDF document text
- https://lesartsdansmonjardin.com/userfiles/file/20210916192935.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/raluwigiwit.pdfIn PDF document text
- https://myphambambi.com/webroot/img/files/wapomuvesebuputokeravuze.pdfIn PDF document text
- http://biaikatolikus.hu/files/file/14397002380.pdfIn PDF document text
- http://gibkrakow.pl/uploads/files/lexale.pdfIn PDF document text
- https://biorenta.lt/ckfinder/userfiles/files/nizizikowevixagalipo.pdfIn PDF document text
- https://leifs-auto.dk/images/file/74313778989.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/762e4dcd6b296f4a78e99ce756b2dba1/duvolosozuwitemero.pdfIn PDF document text
- https://derechosenred.org/aym_image/files/puwiwep.pdfIn PDF document text
- http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/dolisixazonoso.pdfIn PDF document text
- https://onderhoudnlgarantie.nl/upload/file/somizozelew.pdfIn PDF document text
- http://nineslash.com/user_file/file/nenexalefiwaxe.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/161325953d600b---nolasifuwok.pdfIn PDF document text
- https://kaowei.tw/image/files/20210903_075332.pdfIn PDF document text
- http://neuroxl.com/images/file/lafeb.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/81067684660.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/kajidibodofusivejes.pdfIn PDF document text
- http://kaymccarthy.com/immagini/file/tolutevodupud.pdfIn PDF document text
- http://ke-sen.com/userfiles/file/1630933115.pdfIn PDF document text
- http://babijie.com/upload_fck/file/2021-9-6/20210906213215741164.pdfIn PDF document text
- https://kozhikodedeaf.org/admin/my_files/file/sukefodabukiwi.pdfIn PDF document text
- http://mtegl.wsystem.sk/userfiles/files/85293323415.pdfIn PDF document text
- 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_off0000d964.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD964 | 19016 bytes |
SHA-256: ae198514a16714f9efd2c4fc7112984189e0d82cb65cbf8ca6bb671b95a92cee |
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font_01_sfnt_off00010a4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012262.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12262 | 10464 bytes |
SHA-256: 7bc9f0b3ee480c8347f9c0a0d307194b06b21d3ea81d390c9ffb82d9f47ce853 |
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