MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it impersonates a cloud document lure. It contains numerous embedded URLs, with at least one, https://zajinet.ru/award?keyword=pdf+xchange+viewer+hide+toolbar, being flagged as suspicious. The document's structure and embedded links suggest an attempt to trick users into clicking through to a malicious site, likely for phishing or to download a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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://zajinet.ru/award?keyword=pdf+xchange+viewer+hide+toolbar PDF link annotation
- http://pubgmobiie.com/3484107667sghdz.pdfIn PDF document text
- http://rijivago.iblogger.org/tasezumobenanudu.pdfIn PDF document text
- http://tekplafond.xyz/vifamawiwimutulimiginz14x.pdfIn PDF document text
- https://cdn.sqhk.co/suvezadamut/cwjahfC/free_vr_games_on_playstation_store.pdfIn PDF document text
- https://cdn.sqhk.co/kogoruzojif/HMjdjgO/74183501633.pdfIn PDF document text
- https://cdn.sqhk.co/teganipuputu/gehiihX/cataclysm_dark_days_ahead_wikipedia.pdfIn PDF document text
- http://tunizunifegitof.66ghz.com/majudosoladokotadirip.pdfIn PDF document text
- http://specrazreshenie.com/sodorobutexamamawijufxx90v.pdfIn PDF document text
- https://cdn.sqhk.co/bukulavor/sOgiRjc/daribaxekevafuturobakoke.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f9c81679-ddb1-4746-ab40-32673edc426c.filesusr.com/ugd/2eff39_b47eaddc2aab4a20a0a161eb0e229f06.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/97a9e6dd-0571-4bd8-abe8-2db1ced97b00/the_adventures_of_huckleberry_finn_audiobook_chapter_12.pdfIn PDF document text
- http://genobobef.rf.gd/causes_of_bph.pdfIn PDF document text
- https://s3.amazonaws.com/dipafuxe/massey_ferguson_35_parts_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bbe8b909-3cce-40d9-9bea-2e42fa57bd08/sims_3_custom_worlds_download.pdfIn PDF document text
- https://s3.amazonaws.com/jadere/31122320530.pdfIn PDF document text
- https://s3.amazonaws.com/livivuvuwugeb/whatsapp_for_windows_xp_32_bit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0eee28ec-aabd-46c0-ae49-33e2b2eaeb05/lokizaregut.pdfIn PDF document text
- https://9cfe8934-cc69-4f76-a0d0-2e9849ea4530.filesusr.com/ugd/fd9558_3d9931d623354c7195a4caa6af43756f.pdf?index=trueIn PDF document text
- https://34e2f0dc-0077-42bd-a047-efa2502e92af.filesusr.com/ugd/8a05ec_718e6400a74e42269609289a8dc977c8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b7e2d7c1-ba87-4c7b-ac76-5e100d149df6/what_is_soap_web_services_java.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000103ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103AB | 5468 bytes |
SHA-256: f911c973ab0905aa47407af553f26187358d0a0d82bb78d8871d89e59fb0ef52 |
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font_01_sfnt_off0001165a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1165A | 10920 bytes |
SHA-256: ff0f5bbfccb657add72d494b1356358c6c97c69efe12f1680f8783492cc71cd0 |
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