MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics as a phishing lure, specifically using an SEO redirector to disguise the download. The ML classifier and ClamAV also strongly indicated maliciousness. The embedded URL, https://seumenha.ru/123?utm_term=gtt+in+pregnancy+guidelines, is the primary indicator of this phishing attempt, likely leading to a malicious payload download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://seumenha.ru/123?utm_term=gtt+in+pregnancy+guidelines PDF link annotation
- https://cdn-cms.f-static.net/uploads/4388160/normal_5fd8873b445f1.pdfIn PDF document text
- http://jelolizabuvixi.22web.org/numbers_in_spanish_1-_1000.pdfIn PDF document text
- http://hookup153.space/bfit_sport_apppbefv.pdfIn PDF document text
- https://cdn.sqhk.co/mudemodox/jQht1Xm/mafewusuvaseluxezige.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471249/normal_5feebda42a395.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475999/normal_605b9288b64d4.pdfIn PDF document text
- http://nukowivoxom.iblogger.org/terraria_android_full_version_free.pdfIn PDF document text
- https://cdn.sqhk.co/guzowozuk/cSgfUhf/pikmi_pops_giant_flips_kessie_the_cat.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404969/normal_6051a05ca4d7e.pdfIn PDF document text
- http://lianhua.life/22961577270w39u5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485436/normal_601cb17c805e7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://88bec3ce-9cdd-4818-a95b-bcf8ac49d1e7.filesusr.com/ugd/72df48_44e98ad6fd0a4229a0bfb6cdf8a8a0fc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sudevejerifu/sennheiser_rs_160_digital_wireless_headphones_with_portable_transmitter.pdfIn PDF document text
- https://s3.amazonaws.com/zowejunef/70486900369.pdfIn PDF document text
- https://45f61934-b4a1-4335-a9e3-e142d9465b5b.filesusr.com/ugd/0dd040_cb704e573fbc49b6a178e25f5429d65e.pdf?index=trueIn PDF document text
- http://gofosuxubajo.epizy.com/angles_in_polygons_worksheet_gcse.pdfIn PDF document text
- https://ecb9c71c-2d85-4c63-b07e-987367968d49.filesusr.com/ugd/a86d68_aede619a662b4825b10b760fe2e61a8d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sezebepit/what_is_the_art_of_mastering_nonverbal_communication_important.pdfIn PDF document text
- http://pozifaganepele.epizy.com/dinivukuliwusezi.pdfIn PDF document text
- https://s3.amazonaws.com/fatisake/what_is_the_electron-domain_geometry_of_a_water_molecule.pdfIn PDF document text
- https://s3.amazonaws.com/jezaxojipevu/gateway_b2_student_s_book_answers_key.pdfIn PDF document text
- https://181f3bdf-810f-4c34-abb3-9f3362228cd6.filesusr.com/ugd/30415f_cad835394a3443418be6e3fcc04c4c54.pdf?index=trueIn PDF document text
- https://10bc5e17-7652-4c7e-9b43-999b3eb3b021.filesusr.com/ugd/5edc69_0c902313539a450c851e9a2147a77e1e.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_off00010783.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10783 | 5372 bytes |
SHA-256: c2eb4c0bd46985c8341bfc6db2840eaa817d634eec9562499d9e39b40b1d4681 |
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font_01_sfnt_off000119e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119E0 | 10880 bytes |
SHA-256: eb6e097e7f6e0d464781e4fe42a780dc91ec8c975b8070de1c9b9e74b2ff6ad9 |
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