MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which point to SEO-optimized content, suggesting a link farm or SEO manipulation tactic. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL 'https://jacksth.ru/wix?keyword=guide+block+inventor' is likely the primary malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 5
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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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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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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=guide+block+inventor
- http://rakadan.sportsontheweb.net/cisco_to_juniper_command_conversion_tool.pdf
- http://pesisasije.22web.org/marathi_kadambari_list.pdf
- https://valezofijamope.weebly.com/uploads/1/3/4/4/134445284/be44c.pdf
- https://wefejakero.weebly.com/uploads/1/3/0/8/130814310/navobo_vukiruvagi.pdf
- http://gesofetol.iblogger.org/holistic_nursing_approach.pdf
- https://lewemesabis.weebly.com/uploads/1/3/4/7/134734043/zoreb.pdf
- https://kolijegidixut.weebly.com/uploads/1/3/1/3/131379325/5045098.pdf
- http://jepewadagamer.scienceontheweb.net/73584315543.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/gebukil/2nd_grade_math_worksheets_money_printable.pdf
- https://uploads.strikinglycdn.com/files/785d6099-7f56-49c7-8faf-8451b27a286e/vefimelifawibaxojula.pdf
- https://s3.amazonaws.com/fajujiju/free_movie_piano_sheet_music.pdf
- https://uploads.strikinglycdn.com/files/f7879c1e-affd-4ea2-88ec-8e01f6f25886/76431230964.pdf
- http://vejajideb.epizy.com/jipisoxifoviz.pdf
- https://s3.amazonaws.com/paxunu/polycarbonate_roof_sheeting_brisbane.pdf
- https://uploads.strikinglycdn.com/files/d68866ca-02af-4d50-9c51-71ee5be922a1/20179913809.pdf
- https://s3.amazonaws.com/divexikav/dilazowososaw.pdf
- https://uploads.strikinglycdn.com/files/c9838f50-1391-4978-b3ea-1b2eb5f7efe8/zosani.pdf
- http://gazusoketa.epizy.com/1099982453.pdf
- https://uploads.strikinglycdn.com/files/30c70ab1-b946-4b41-8672-588ba9fed3a9/how_to_test_gm_oil_pressure_sensor.pdf
- https://uploads.strikinglycdn.com/files/8d4ff43a-a8db-473c-af9b-d24b984b8395/nuevo_testamento_interlineal_griego_espaol.pdf
- http://sidepojedava.myartsonline.com/iupac_modern_periodic_table.pdf
- http://gofirog.epizy.com/woxilarisawav.pdf
- https://uploads.strikinglycdn.com/files/0890f112-867a-42c2-b7e5-1ae6ace45109/givuliwafevesun.pdf
- https://s3.amazonaws.com/belopudevuzuza/galasatuwevudetefuxodus.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011b4a.binf50e36e9cb4df228e06d849f65d578318fb8cbaa1caa536af4a3768a0152c40b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B4A | 4724 bytes |
font_01_sfnt_off00012b5f.bin72b5bb94dd5ef393812b829015eb9067daba0c626b49b9b80957c43f400628d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B5F | 11284 bytes |
font_02_sfnt_off00015151.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15151 | 4324 bytes |
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