MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, characteristic of a link farm used for SEO manipulation or phishing. The primary URL, https://jacksth.ru/wix?keyword=%25E0%25B8%25AA%25E0%25B8%25B1%25E0%25B8%258D%25E0%25B8%25A5%25E0%25B8%25B1%25E0%25B8%2581%25E0%25B8%25A9%25E0%25B8%2593%25E0%25B9%258C+3+%25E0%25B8%2599%25E0%25B8%25B4%25E0%25B9%2589%25E0%25B8%25A7, likely serves as a gateway to further malicious content.
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://jacksth.ru/wix?keyword=%25E0%25B8%25AA%25E0%25B8%25B1%25E0%25B8%258D%25E0%25B8%25A5%25E0%25B8%25B1%25E0%25B8%2581%25E0%25B8%25A9%25E0%25B8%2593%25E0%25B9%258C+3+%25E0%25B8%2599%25E0%25B8%25B4%25E0%25B9%2589%25E0%25B8%25A7 PDF link annotation
- https://nexitikobimefa.weebly.com/uploads/1/3/0/7/130776699/5517069.pdfIn PDF document text
- https://wilowukodol.weebly.com/uploads/1/3/4/8/134881933/1585349.pdfIn PDF document text
- https://cdn.sqhk.co/kopenanum/gigdbtL/withings_scanwatch_review.pdfIn PDF document text
- https://wisenuru.weebly.com/uploads/1/3/1/8/131856959/tokev.pdfIn PDF document text
- http://gagefepinulivaf.iblogger.org/anticonformista_sinonimi_master.pdfIn PDF document text
- https://cdn.sqhk.co/wujakegu/jagjblk/batman_arkham_origins_world_s_greatest_detective_suit.pdfIn PDF document text
- https://gikesusemu.weebly.com/uploads/1/3/4/7/134775173/0cc9da.pdfIn PDF document text
- https://kumapeforurimo.weebly.com/uploads/1/3/4/6/134664671/sujodosabif.pdfIn PDF document text
- https://dapapakutuluj.weebly.com/uploads/1/3/1/3/131384169/neguleduvus-banozoj.pdfIn PDF document text
- https://xipurewaxo.weebly.com/uploads/1/3/4/7/134759043/595584.pdfIn PDF document text
- https://betirowi.weebly.com/uploads/1/3/4/6/134661799/b56f335.pdfIn PDF document text
- https://cdn.sqhk.co/ruvonusebex/idXDijS/33122630512.pdfIn PDF document text
- http://zevixoleg.iblogger.org/dartford_crossing_traffic_report.pdfIn PDF document text
- https://salobomuxalevi.weebly.com/uploads/1/3/1/0/131070078/a9e7f.pdfIn PDF document text
- http://refoxedij.iblogger.org/xaguzepakusolo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490736/normal_5feb87c68b5b5.pdfIn PDF document text
- http://www.opentle.orgIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nugetagu.epizy.com/jusijizakaziwamuwi.pdfIn PDF document text
- http://gupexofuvesok.epizy.com/mamoxosawefiwasu.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off00010d15.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x10D15 | 17748 bytes |
SHA-256: 9d9bfb90bfcee65d5fea2e2a56ca827b84016a124cca937576fb851ead622e82 |
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font_00_sfnt_off0000e8cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8CF | 4232 bytes |
SHA-256: e20670dc82b940bc6fc30c4655b9edf94f40183f78593d1fc4f4786f6ad05785 |
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font_01_sfnt_off0000f745.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF745 | 8356 bytes |
SHA-256: 5661e819e8dff59ac049e6d11704ef5e88f52b63c9d4518bd8bdf40ba24d4ac7 |
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font_03_sfnt_off00013e28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E28 | 10164 bytes |
SHA-256: 9c30fb54567d9bedfdddc1fbf0e0c679b359231c4dff38e05883613f791911e4 |
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