MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which are part of a link farm designed to boost search engine rankings. The primary URL, https://nipisod.ru/strik, appears to be a malicious domain associated with phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://nipisod.ru/strik?utm_term=how+many+exams+for+ccnp+security
- https://fafofezun.weebly.com/uploads/1/3/4/3/134338513/puwufetelev.pdf
- https://cdn-cms.f-static.net/uploads/4490930/normal_6060efa9dc345.pdf
- https://cdn-cms.f-static.net/uploads/4394061/normal_6017551fc14f9.pdf
- https://static.s123-cdn-static.com/uploads/4487424/normal_5ff669e564ef2.pdf
- https://timodidub.weebly.com/uploads/1/3/1/3/131379596/kovenafokedowejipula.pdf
- https://static.s123-cdn-static.com/uploads/4386828/normal_5fcfb70fbd89c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/203a4d37-abbb-4d0c-9fa7-9fabbe166f2b/81468500194.pdf
- https://uploads.strikinglycdn.com/files/bf5ffe00-79b1-4fe7-8015-0245ede0e148/35723924596.pdf
- https://uploads.strikinglycdn.com/files/e4a87bd8-98cf-4058-8f67-91c0cecbeee7/71543063223.pdf
- https://uploads.strikinglycdn.com/files/6f5a4ec9-5265-4782-8f14-2955f84b10a9/oraciones_con_verbos_regulares_en_ingles_pasado_simple.pdf
- https://s3.amazonaws.com/bipepezuwed/consistency_test_of_cement_lab_report.pdf
- https://uploads.strikinglycdn.com/files/1986b776-ad54-424d-bf09-30bd7f4ab15d/what_fuel_to_use_in_coleman_stove.pdf
- https://uploads.strikinglycdn.com/files/f0216222-ae8d-471e-9b17-fac871f822a2/how_long_is_fl_studio_trial.pdf
- https://uploads.strikinglycdn.com/files/e0c3428f-1539-44f3-86ab-a3c5296deb72/mezarusuwelem.pdf
- https://uploads.strikinglycdn.com/files/8a8edd44-0b6e-44c2-ab51-0109b346a7cd/how_to_get_coca_cola_kit_fifa_21.pdf
- https://uploads.strikinglycdn.com/files/1523491a-afff-400c-a420-7ed2faaf4d83/revolution_2020_based_movie.pdf
- https://uploads.strikinglycdn.com/files/1f9e1bc7-0b42-49b5-bf14-92efbb9a24ac/unit_3_parallel_and_perpendicular_lines_worksheet_answers_key_geometry.pdf
- https://s3.amazonaws.com/nawuvud/pelabenit.pdf
- https://uploads.strikinglycdn.com/files/4f0e7a9f-1d00-4c7c-af49-02c66e3f74ca/19135104263.pdf
- https://uploads.strikinglycdn.com/files/e0a29e56-4a5c-4857-b43b-6bc0e90d345b/44462355213.pdf
- https://s3.amazonaws.com/fapaga/9482496770.pdf
- https://uploads.strikinglycdn.com/files/07c1d572-e242-4924-ac79-7de811eac8df/zuzeretewatigidu.pdf
- https://s3.amazonaws.com/vibasujefir/auto_clicker_automatic_tap_pro_apk.pdf
- https://uploads.strikinglycdn.com/files/ec7ae01e-35da-4735-9f38-08bf848b8438/kakulikifase.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eed0.binc306836401917867a02110c907361f2a2aaad16dade933eb95956d8e40822de9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED0 | 5352 bytes |
font_01_sfnt_off00010107.bincf1cfe2a642be19f221c527f557dca0bee613f05440cc4837ead056b3ee48623 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10107 | 11344 bytes |
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