MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or redirection scheme to a malicious site. The primary URL identified is https://jacksth.ru/wix?keyword=herpetology+science+olympiad, which likely serves as a lure for users.
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=herpetology+science+olympiad PDF link annotation
- http://tapidiv.medianewsonline.com/77065831175.pdfIn PDF document text
- http://profyhouse.ru/trane_xe90_blower_motorxqycp.pdfIn PDF document text
- https://cdn.sqhk.co/voxobidivel/Khajap6/harlem_globetrotters_best_basketball_team.pdfIn PDF document text
- http://femetorisufi.sportsontheweb.net/how_long_does_it_take_to_cook_a_20_pound_turkey_in_a_convection_oven.pdfIn PDF document text
- https://cdn.sqhk.co/xezakomujar/OhftT6e/xaxesanulasibenezapeko.pdfIn PDF document text
- http://theandyhong.com/vba_worksheet_function_hlookupqlglp.pdfIn PDF document text
- http://jilet1.club/dairy_milk_kiss_me_full_song_downloadwfsod.pdfIn PDF document text
- https://cdn.sqhk.co/libobivole/geiajhE/free_online_alarm_clock_for_heavy_sleepers.pdfIn PDF document text
- http://lamisorosasam.mywebcommunity.org/computational_fluid_dynamics_cfd.pdfIn PDF document text
- http://job-finder.space/nixenozodet3krd7.pdfIn PDF document text
- http://shop-profildoors.ru/forrest_mims_circuit_scrapbookiro1w.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ddd90330-5837-4e0c-b2f6-9383941cd2db.filesusr.com/ugd/568e2c_4fb389f1ed224c438545805f7e7b3a6d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f620a846-a266-46d0-af48-7296d2e95999/american_psycho_book_vs_movie_reddit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/831f9a66-a745-40a1-99f1-283553d899fe/pejibixinopofejokitisu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/92ff6ff3-a22c-40be-95e6-0667bde35936/19171117554.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d5fc32a-690a-45dc-835d-0ff9ca099141/how_to_watch_marvel_series_in_order.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d86933f7-f83d-447f-b5d0-20c740273a84/rigalawepozifuzadotilipes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e5bc8d0f-8bc6-4713-bb5d-b6f811ae5d32/how_can_i_tell_how_old_my_carrier_furnace_is.pdfIn PDF document text
- https://144ece88-722e-4d59-a9d1-ae16887514c2.filesusr.com/ugd/48b17f_e3f1cffdad6f448a80b0f324e2741313.pdf?index=trueIn PDF document text
- https://d4996ccb-aecf-47c4-aab6-3c4fe022e1b7.filesusr.com/ugd/b7ed05_b481c3ae579a4ecdbcbbb5e0dd96cbc6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b91cb434-6150-4818-9ab3-be507f4c5d51/how_many_employees_does_macys_have_2020.pdfIn PDF document text
- https://92fed17e-af34-466b-b3fe-38cd9ef27699.filesusr.com/ugd/192d58_bb380ba169704c319883c582135b82b9.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_off0001302c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1302C | 5456 bytes |
SHA-256: 7d1013d83c5103b775b4ea7e8322f80fc4a5d9da65ad0132796c45816cca8cf0 |
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font_01_sfnt_off000142aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142AA | 11356 bytes |
SHA-256: 412a365674238433319fca485b2afaf91c2adfab44377c2788e1a3d808f412e7 |
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