MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a password-protected-archive lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://nipisod.ru/strik?utm_term=cuando+se+considera+fiebre+en+adultos PDF link annotation
- https://static.s123-cdn-static.com/uploads/4410214/normal_600641482e086.pdfIn PDF document text
- http://bathforlegs.xyz/romugukuroladenokulutokos77hch.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460446/normal_603c5cdc6c2d4.pdfIn PDF document text
- http://digtalcaliper09.xyz/what_are_good_short_term_stocks_to_buy_right_nowt8saq.pdfIn PDF document text
- http://yellownatural.space/como_agua_para_chocolate_analisis_psicologicow1pyp.pdfIn PDF document text
- http://urro-hu.com/bubble_shooter_offline_games_free_downloadf3cwo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385887/normal_604e14d1ecb01.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365606/normal_5ff9ce502b478.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483624/normal_602a5663bc261.pdfIn PDF document text
- http://bet-info.ru/introduction_to_probability_theory_and_stochastic_processes042zc.pdfIn PDF document text
- http://getveran.site/86654667600ax8g8.pdfIn PDF document text
- http://hookup158.fun/pexijuvukebh22pd.pdfIn PDF document text
- http://tdsevsvet.ru/frozen_pelicula_completa_gratis_espaegsjp.pdfIn PDF document text
- http://umdtheatre.ru/zufelojetofovesuzekujood9io.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://dc383e6d-b7a3-4e67-a88a-227fa542b6c3.filesusr.com/ugd/72b0e7_54490ad85c794b64a0a2612b0d0a3f32.pdf?index=trueIn PDF document text
- https://8f1ef4f7-3f23-41ef-a3d6-4e5873a175a2.filesusr.com/ugd/d318ce_bd3506e36c3c4d0484d93412e6de2782.pdf?index=trueIn PDF document text
- https://52a72965-a6d2-471e-b66a-59a59a4d663b.filesusr.com/ugd/e643da_befc2ece693b4461833bf0b0210e86b7.pdf?index=trueIn PDF document text
- https://11484d69-1612-41b9-9199-165df1f08223.filesusr.com/ugd/e2f197_e20d81707e504ba9a1c14a424de181ff.pdf?index=trueIn PDF document text
- https://45f91bdd-2b68-4e60-ae2c-b14373ae5332.filesusr.com/ugd/0d089b_55b8ea7289924bc3a1198f1973e5f9cc.pdf?index=trueIn PDF document text
- https://3d1db4d0-c196-4dd3-8d5c-bb108cafbd43.filesusr.com/ugd/479e38_2cb00954b82a4e5ab224d5cd56c9e9d4.pdf?index=trueIn PDF document text
- https://45888429-4816-4f4a-b48d-e7c322373a3b.filesusr.com/ugd/136d07_1c07729b96e24eb5b029492743b2d881.pdf?index=trueIn PDF document text
- http://gezuveluda.rf.gd/navien_ncb_240_error_code_110.pdfIn PDF document text
- https://32e47638-7206-44c1-ad53-5c6f9176402e.filesusr.com/ugd/e00742_a1fa2fdb9032420e88bc1328aa1507ce.pdf?index=trueIn PDF document text
- http://towixamum.epizy.com/how_much_does_a_nutritionist_cost_in_ontario.pdfIn PDF document text
- https://7f1158f2-e44e-4cac-991a-806210d1dc3e.filesusr.com/ugd/e4a8e1_57bfe2a6c75b4fb19016bfc29547d6e9.pdf?index=trueIn PDF document text
- http://damoserik.epizy.com/13377094386.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_off0000f36e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36E | 5060 bytes |
SHA-256: 10be4a9665065948dee4d13dfea09ed48142aa4a8b09f174e0d8d9091175cb34 |
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font_01_sfnt_off000104a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A9 | 12724 bytes |
SHA-256: 99b804d68ea7f798eced96f580621e7f86b6395cc8246fd34639607d4d48ea1b |
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