MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which point to PDF files hosted on file-sharing services, suggesting a link farm or redirection mechanism. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document may be designed to trick users into downloading an archive, which is often password-protected to evade initial scanning. The presence of embedded URLs and the ClamAV detection further support a malicious classification. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, but the primary malicious intent appears to be driven by the external links and heuristics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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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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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://jumiwimov.ru/strik?utm_term=black+decker+coffee+maker+auto+clean+instructions
- https://sovufejado.weebly.com/uploads/1/3/0/7/130740048/7d7e623f.pdf
- https://cdn.sqhk.co/zukasedu/jaQhfVk/vocabulary_a-_z_username_and_password.pdf
- https://poperetaro.weebly.com/uploads/1/3/4/8/134893078/fazoz.pdf
- https://kodugeji.weebly.com/uploads/1/3/6/0/136089350/kewomunusijal.pdf
- https://cdn.sqhk.co/sipebesoxu/CbT1ghp/everfi_module_5_credit_scores_answers.pdf
- https://cdn.sqhk.co/zifuvifiweva/jb6iixr/luke_combs_new_song_reasons_lyrics.pdf
- https://zizovotitimojuv.weebly.com/uploads/1/3/2/7/132712514/lawewavobogizet.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/efe0a4c6-9b11-4a68-b875-bed919185c64/58191937912.pdf
- https://uploads.strikinglycdn.com/files/a46add90-5a82-4ef2-aa49-ef62db6f04b6/juzagofifijewekunisefax.pdf
- https://7fc1e5b2-1dd8-4457-9de2-3dea1ab9f589.filesusr.com/ugd/fedd61_1de68c5600b743ddb1d86a1c1921b65f.pdf?index=true
- https://39c3e2ba-dcb8-4bc0-9ed7-0058f02c59d5.filesusr.com/ugd/fd4c29_1b709ffd1ac848c4b5aeb12a0a61e4db.pdf?index=true
- https://s3.amazonaws.com/kumasala/24094209125.pdf
- https://s3.amazonaws.com/jutenojamega/98845022190.pdf
- https://73e8eba8-f08a-4c12-987a-519a82e171c2.filesusr.com/ugd/19159f_799ff9feb5694cecafeb9f9982ce48a8.pdf?index=true
- https://5fa60de5-32ab-41ac-ba65-77330e21e623.filesusr.com/ugd/2e16aa_ec5a8132c2584b599eb65185be7e2b04.pdf?index=true
- https://f187853a-68e6-4ed6-a420-9593b89d6738.filesusr.com/ugd/27c34a_b4a7579365884e908260b9654025a732.pdf?index=true
- https://91313464-3f42-441e-b0e8-b27065d471ad.filesusr.com/ugd/ee9d3f_d36521240ccf4f299b05d32cad0fa17a.pdf?index=true
- https://0115c081-d8bc-4983-a705-81db93bf1442.filesusr.com/ugd/990402_61f2fdb15cf9451cacbb532a9bf5acb3.pdf?index=true
- https://89e5ed4a-33eb-42a6-b5f1-9fc07ea1e15b.filesusr.com/ugd/ff68bb_89c99575355e4828a1126b1e3cab2232.pdf?index=true
- https://uploads.strikinglycdn.com/files/b3a78e07-c085-47c0-aad7-eb82171228e6/jane_austen_emma_movie_online.pdf
- https://s3.amazonaws.com/kabisebax/what_does_lord_of_flies_symbolize.pdf
- https://a62e46b8-d933-4087-892c-e5439cec6991.filesusr.com/ugd/e9cba9_ab912069c23e4a629cc54458dcfcd741.pdf?index=true
- https://s3.amazonaws.com/tujeviwakirawu/cell_membrane_models.pdf
- https://uploads.strikinglycdn.com/files/b63d3fa2-c0c7-4ef7-b23f-4acb58fbc541/what_makes_a_bond_stable.pdf
- https://s3.amazonaws.com/zumomasugipeno/54640897222.pdf
- https://9c3086b9-336b-4a4d-b39c-975a2563a2e0.filesusr.com/ugd/f4f792_f1709cf59fba4fa3be1926d855dd61e0.pdf?index=true
- 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_off0000f148.bine514f9e3f836ac85a6e6da29ccb6eb62f4cae21775f6ae07853a463c6a2689a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF148 | 5280 bytes |
font_01_sfnt_off0001032b.bin0915e83a295f694a2faf28b153389dd7a19de57963841c38d2e9fd3248182a86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1032B | 11088 bytes |
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