MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which are hosted on disposable domains, indicating a link farm or phishing operation. One prominent URL, 'https://xezojetit.ru/strik?utm_term=eset+smart+security+8+activation+key+2020', suggests a lure related to ESET security software activation keys. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://xezojetit.ru/strik?utm_term=eset+smart+security+8+activation+key+2020 PDF link annotation
- https://cdn.sqhk.co/sinupupuzaxa/KZjfEgh/99296027775.pdfIn PDF document text
- https://cdn.sqhk.co/gedugari/XygiVnJ/supposed_definition_synonym.pdfIn PDF document text
- http://dutakevekuw.iblogger.org/valobarupazit.pdfIn PDF document text
- https://cdn.sqhk.co/tunuviju/niaRhiu/been_together_app_free_for_android.pdfIn PDF document text
- https://cdn.sqhk.co/zuronenom/egcgces/zabitisodudaresamemideg.pdfIn PDF document text
- http://maska-respirator.shop/browsing_definitionubhw7.pdfIn PDF document text
- https://cdn.sqhk.co/loganidob/jhcqSha/steven_universe_amino_apk_mod.pdfIn PDF document text
- https://cdn.sqhk.co/novitovikor/Idgege8/digi_sport_1_online_hu.pdfIn PDF document text
- http://powujamoxeji.iblogger.org/puxididetiwaxoximamuf.pdfIn PDF document text
- http://liko-sneakers.com/31047818660tbdh8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://b32e410f-f365-4205-840f-53103702c783.filesusr.com/ugd/51ece5_a65b26aeaa8549c38fdad78a3b634d93.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/14c0165e-a22d-48b1-91a6-da99cc0dced6/aprilaire_thermostat_8463_not_turning_on.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/52ff17bc-a9bf-4872-bd6d-22981ea226c5/how_to_read_a_barcode_on_your_phone.pdfIn PDF document text
- https://0502d5d0-a0f5-47b8-bc1c-644c46e4e431.filesusr.com/ugd/6cabbb_6588b34bc1d34e2db4256825bfaa6a13.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5fe03366-9cd0-4c9d-a85e-98eaea4172bd/hayward_pool_heater_propane_pressure.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f5e712c8-3bcc-412e-9191-f55b38922590/shark_ion_robot_r71_app.pdfIn PDF document text
- http://dapunujunet.epizy.com/borumuvunezilupugijuwa.pdfIn PDF document text
- https://68420551-d949-41c4-975b-2ae86aa6d062.filesusr.com/ugd/09c3c7_a44dbed8bfde4f95a796b376c1613f02.pdf?index=trueIn PDF document text
- http://wewiritat.epizy.com/81886634224.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87f39d23-8b28-4d13-99d7-54192d56696d/fijibazironikipof.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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000119f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119F9 | 2960 bytes |
SHA-256: ffe008f00bdab04e42d0fb58581e94ebe343bab047a3ea3be819508d06260cf3 |
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font_01_sfnt_off00012469.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12469 | 5564 bytes |
SHA-256: d1ad798b4f5d9a48ea28bc6f13cdaa2a5ee67df6f02b34ce167e873438a3955f |
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font_02_sfnt_off00013750.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13750 | 10708 bytes |
SHA-256: 103c2537b87d8e83036009fb3e569787d437dec3fef5a3d65b5043f2993814a7 |
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font_03_sfnt_off00015bc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BC6 | 16204 bytes |
SHA-256: 31aa257675234f953cb39254c73a0c002637764ec2691c470e0912636c3685cf |
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