MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many pointing to disposable hosting, indicating a link farm or SEO manipulation tactic. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The presence of numerous external URIs, including one with a UTM term, points towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://leonvi.ru/123?utm_term=biozone+ib+biology+second+edition+pdf PDF link annotation
- https://mubuwevuli.weebly.com/uploads/1/3/4/5/134528176/boxob-nukafoxufefiri.pdfIn PDF document text
- https://cdn.sqhk.co/kitolitik/f4jiBjj/14868895550.pdfIn PDF document text
- https://cdn.sqhk.co/rewaloxuruvu/bigjihi/class_10_ncert_solutions_offline_app_download.pdfIn PDF document text
- https://cdn.sqhk.co/jivazufevi/ijHhdRb/suraj_cineplex_mobile_number.pdfIn PDF document text
- https://kugixixubeleji.weebly.com/uploads/1/3/4/3/134324677/wojokog_gisevuz.pdfIn PDF document text
- https://fujareke.weebly.com/uploads/1/3/5/3/135391043/d58b8615d5ee94c.pdfIn PDF document text
- https://pufukowog.weebly.com/uploads/1/3/4/5/134583281/tedud.pdfIn PDF document text
- https://cdn.sqhk.co/mubikidom/wgd8hdq/start_em_sit_em_si.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/7c9bdea4-d1a2-4147-a0c3-771df8b9ea68/how_to_design_home_interior_online.pdfIn PDF document text
- https://s3.amazonaws.com/lunojol/flannelette_fitted_sheet_spotlight.pdfIn PDF document text
- http://zuvidetalenaras.epizy.com/platforma_ceccar_arad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8bc7967d-81aa-421f-b818-57e139ccecb1/2002_ford_explorer_transmission_solenoid_problems.pdfIn PDF document text
- https://s3.amazonaws.com/jupudizadid/uc_browser_browser_apk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b8ac53dd-52f6-46d2-8845-cfd3f2415b46/2016_toyota_corolla_le_eco_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/31218702-f10b-493e-a09f-a42d3bd804d1/jufog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/93c0cc87-53bd-44f4-ab8b-8f71d48445be/54410912339.pdfIn PDF document text
- https://s3.amazonaws.com/kafises/what_is_recycle_bin_and_its_uses.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/19c794ed-d7bc-4299-a154-88b243b025e1/17601139566.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5eaac7e5-0dec-49c7-8d4a-2b9d8edea1b7/the_rapid_fat_loss_handbook_a_scientific_approach_to_crash_dieting.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5b6b77b6-de7b-4a57-969f-4ba92485b539/how_to_relight_pilot_on_kenmore_oven.pdfIn PDF document text
- https://s3.amazonaws.com/tigovatolis/dukeluvakadolopubenebop.pdfIn PDF document text
- https://s3.amazonaws.com/vigevot/concrete_mix_design_books_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f49282a4-6182-4211-a4f4-e92df8199935/89830572126.pdfIn PDF document text
- http://tujufevowupise.epizy.com/zajovuzutulenefigopo.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_off0000d5fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5FB | 5360 bytes |
SHA-256: 6ee1cd9c4a3887a1bdae692ef68e77edbfe09a514165a246f818f5bd734320c3 |
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font_01_sfnt_off0000e865.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE865 | 10004 bytes |
SHA-256: b0304d2cb11911aaf463749354a7e8939ca06ba6e4915151901aa4ba1c8a0da7 |
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