MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as Pdf.Phishing.Trojan. The document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The primary URL, 'https://xajibur.ru/strik?utm_term=how+to+choose+graphics+card+for+mining', indicates a lure related to cryptocurrency mining hardware. No scripts were extracted, but the PDF structure itself facilitates the redirection to these external sites.
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 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://xajibur.ru/strik?utm_term=how+to+choose+graphics+card+for+mining PDF link annotation
- https://cdn.sqhk.co/fenazijeguk/ogh8CUz/d-_day_casualties_by_unit.pdfIn PDF document text
- https://cdn.sqhk.co/sovajepuxe/tibicif/sixolobedisutev.pdfIn PDF document text
- http://lozaratoz.iblogger.org/liviriwisefuv.pdfIn PDF document text
- https://cdn.sqhk.co/jawosuzexe/pge2DqF/shark_ionflex_duoclean_cordless_ultra-_light_vacuum_uf280.pdfIn PDF document text
- https://cdn.sqhk.co/zewezerezi/iifJXjd/wamerelepefud.pdfIn PDF document text
- http://siankaanmexico.com/jibuburezolitoninifug7i2a.pdfIn PDF document text
- http://fredo.run/nemabeg66dkg.pdfIn PDF document text
- https://cdn.sqhk.co/moxulofilose/dhdh0gf/focus_bank_mobile_banking.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://bc260b4e-efc2-469d-9102-9c7234992d76.filesusr.com/ugd/b1b3ad_ce991c6f31c14a6d8666459723293c2c.pdf?index=trueIn PDF document text
- https://e055bcc9-c4f1-4c6c-8dcb-0912bf54750f.filesusr.com/ugd/b4a829_2f1642a9dc2847e19ee23848491db062.pdf?index=trueIn PDF document text
- https://128fc002-9ed4-4a8f-9a6b-83b43563a9ed.filesusr.com/ugd/6812d7_7311b59c82ab48f9a93abf80e9800f53.pdf?index=trueIn PDF document text
- https://882e4f53-a7e1-4d4a-89e8-a6e6d9f9b805.filesusr.com/ugd/9a13d2_1aff2c40a2f94ff88da7885a11e9b399.pdf?index=trueIn PDF document text
- https://8aefc570-8454-48c3-bb63-d4d1067b7ce0.filesusr.com/ugd/5c9621_dff6e79ca2fc49ad9c7898030eb17d68.pdf?index=trueIn PDF document text
- https://6ddb26ad-aa8e-4a3e-a925-5cef6fc035e1.filesusr.com/ugd/d3d820_6b9709270a424a4a8a04c171a609ffd5.pdf?index=trueIn PDF document text
- https://bf23b77b-49a9-4bef-a898-a03cfb94aefa.filesusr.com/ugd/134172_4869c496aae34c5dbf319c2e6cd9f49d.pdf?index=trueIn PDF document text
- https://11fe2947-f393-4df3-905d-f9f3730e834a.filesusr.com/ugd/b1b16e_3a66844a16c74d3f993c769c45fc5907.pdf?index=trueIn PDF document text
- http://tirinito.epizy.com/last_case_of_smallpox_was_reported.pdfIn PDF document text
- https://f8ba888e-8f71-4fde-8303-550399648f4e.filesusr.com/ugd/17ce20_5abb02d25ba141db99b36d08d5679b99.pdf?index=trueIn PDF document text
- https://6d5fec37-5936-4ae8-8938-03a86e982f09.filesusr.com/ugd/d4da64_ecec800fa81147f5bef75b18cc1642ab.pdf?index=trueIn PDF document text
- https://2863666b-9d79-467d-9aad-9eeb6dafbdf2.filesusr.com/ugd/6ee3eb_764fa133fd404790858d7d92bb9916a3.pdf?index=trueIn 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_off0000f8b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B9 | 5588 bytes |
SHA-256: 749421e72af7a994b17dbfc564a8163ec8bafcdcfa8863d1a31523c7123b11c4 |
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font_01_sfnt_off00010baa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BAA | 10988 bytes |
SHA-256: 703a07e094f8cfe9ee4a3d0283eba0b652889174d4f368569bdddb010dad7532 |
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