MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector infrastructure, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The ML classifier also flagged this PDF with a high confidence score. The embedded URL, 'https://yafferge.ru/strik?utm_term=the+little+red+hen+story+pdf+download', is presented as a download link, suggesting a phishing or social engineering attempt to trick the user into visiting a malicious site. No scripts were extracted, but the presence of malicious links and the ML detection strongly indicate a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9921
Heuristics 4
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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://yafferge.ru/strik?utm_term=the+little+red+hen+story+pdf+download In PDF document text
- http://dostafood.xyz/96881996075hknte.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391326/normal_602274965c9df.pdfIn PDF document text
- http://mon-cmbretagne.com/tojit7jou9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451377/normal_60680a5a9b24e.pdfIn PDF document text
- http://wugupomovupa.sportsontheweb.net/22195156460.pdfIn PDF document text
- http://easycreditscore.info/decision_tree_regression_splitting_criteriavgp05.pdfIn PDF document text
- http://tuwasukam.getenjoyment.net/logiciel_gratuit_pour_assembler.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495385/normal_6037cef9d8ce9.pdfIn PDF document text
- http://invitesistem.ru/what_to_do_with_a_masters_in_physiologymxmxo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393197/normal_60088bc8cb5af.pdfIn PDF document text
- http://effektzhizni.ru/toxogewigaze9om6y.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/d2735c7d-3175-40d0-ab34-b75253e49a62/schwinn_exercise_bike_170.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a5d24bc2-251b-4d5b-b4c9-a9f4253fa789/rulinixudidazasiw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e9cdb7b-8e8c-4406-b99b-d715860b1756/how_do_i_use_my_kitchenaid_food_processor_dicer_attachment.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a86c1c8-26f0-4751-bdb4-e759fea1b7c3/xetijososuf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/372a8009-81b9-49a0-a4a0-dbff148671b0/67884675246.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01e13c41-c415-4a95-8ffe-af92c6471a18/cub_scout_bear_advancement_tracking_sheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc523819-a6e1-49bc-97ed-065b287e49a0/zotawadodo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2e54708-6078-4131-9c6b-ecd5e62abfa7/how_to_clean_backbeat_fit_headphones.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/68a050ac-53f4-4cb2-b102-c3274f3c7330/what_kind_of_car_is_christine_in_the_movie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd3cfde3-4952-4807-bfd4-eee3784deb5c/bidukeruzijajiro.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_007_off0004afa2.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4AFA2 | 20228 bytes |
SHA-256: 3705566534b5328d8bba3eb5dc9b42e7c31de5c33785206de4f49cfbaf08bf7a |
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font_00_sfnt_off00046d44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46D44 | 5272 bytes |
SHA-256: 0f1e7a419c6acca297b7dce5e0ad3f3d584688bf8d0a19b2564b154ab79d715c |
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font_01_sfnt_off00047f41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47F41 | 15724 bytes |
SHA-256: c689775c4ffea994bb584384d346fc7a85120a84de6dae67211c1b9c72ee3c1e |
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