MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which are structured to appear as file downloads, suggesting a lure for users to click and potentially download further malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates a malicious intent to distribute links across many disposable domains. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://pixomot.ru/uplcv?utm_term=acr+31.1+unchained PDF link annotation
- http://ydchem.cn/filespath/files/20210906140547.pdfIn PDF document text
- https://hydratrend.com/application/third_party/ckfinder/userfiles/files/18692337050.pdfIn PDF document text
- http://tamker.hu/userfiles/file/25814642311.pdfIn PDF document text
- http://kondicionery-noginsk.ru/upload_picture/file/dodave.pdfIn PDF document text
- http://doubler-son-capital.com/photos/files/polojulagedexeba.pdfIn PDF document text
- http://kyochonbuenapark.iorderfoods.com/uploads/files/nalifomujojos.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/12593746358.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/68713619484.pdfIn PDF document text
- https://braintreeclinics.com/app/webroot/img/files/27228633500.pdfIn PDF document text
- http://www.gamylai.vn/uploads/files/79678366260.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/515b41ad7f0ec3618fb967ae99f6f1d0/7122504178.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16131486a5cc14---vigilinewop.pdfIn PDF document text
- http://wujipacking.tw/upload/files/zoxowapazulijanazik.pdfIn PDF document text
- http://ventima.ru/userfiles/file/51538448101.pdfIn PDF document text
- http://expertworker.paraleumarian.ro/app/webroot/files/userfiles/files/70155465861.pdfIn PDF document text
- http://www.medic-pneumolog.ro/fisiere/file/53067260288.pdfIn PDF document text
- http://kystar.net/filespath/files/20210908044644.pdfIn PDF document text
- http://easyliveconstruction.com/ci/userfiles/files/93250787505.pdfIn PDF document text
- https://travelworld.ro/userfiles/file/jitexibedogelusewe.pdfIn PDF document text
- https://svenjakretschmer.com/ckfinder/userfiles/files/kojitizuwexupotunapip.pdfIn PDF document text
- http://fourfoods.com/images/files/3121572248.pdfIn PDF document text
- http://slenderclub.cz/ckfinder/userfiles/files/96768438762.pdfIn PDF document text
- http://nessium.fr/userfiles/file/lunikumevagudaxu.pdfIn PDF document text
- https://duragloss.pl/userfiles/file/konupinejozefavur.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_off0000d6c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eed4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED4 | 16584 bytes |
SHA-256: d8db159ff8551bae58862593875c72c3af47b5b330c5bfe6d7745d7f924d4bd2 |
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font_02_sfnt_off000119e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119E2 | 10404 bytes |
SHA-256: 183efb2bde30b3c4b26c77048531e1fa45502f4b505cf39a5856c44fb459bfc8 |
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