MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs, many pointing to disposable hosting, suggesting a link farm or phishing lure. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using small PDFs as link farms on disposable hosting, further supporting a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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 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://bologen.ru/wix?keyword=cnn+10+october+29+2019+transcript PDF link annotation
- https://cdn.sqhk.co/somisafeg/jhy1aie/brain_teaser_puzzles_with_answers.pdfIn PDF document text
- http://japamawosoj.mygamesonline.org/defensa_siciliana_clasica.pdfIn PDF document text
- https://cdn.sqhk.co/zizenozi/jeSheDF/introduction_to_business_and_technology.pdfIn PDF document text
- http://durebemidiges.getenjoyment.net/biodiesel_from_microalgae_beats_bioethanol.pdfIn PDF document text
- http://pojapir.mygamesonline.org/guwolipolalirapami.pdfIn PDF document text
- http://kopogaxepaku.sportsontheweb.net/92606023133.pdfIn PDF document text
- http://duwelizub.mywebcommunity.org/nancy_drew_season_1_episode_12.pdfIn PDF document text
- http://lazirawolewok.getenjoyment.net/gigozosalarafu.pdfIn PDF document text
- http://pewodebepefawi.scienceontheweb.net/vencobb_400_broiler_breeder_management_guide.pdfIn PDF document text
- http://sudilufib.getenjoyment.net/34458797584.pdfIn PDF document text
- https://cdn.sqhk.co/resilano/jfGo0W7/nujojaneboraxepuwiba.pdfIn PDF document text
- http://xuxodowenam.getenjoyment.net/witatug.pdfIn PDF document text
- http://fejukoturig.medianewsonline.com/darwins_five_principles_of_natural_selection.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/163c2712-dcd8-4c72-a90f-e3ad0785e0fc/64380625146.pdfIn PDF document text
- https://c2267750-1f6d-4c2f-944a-eb302c7f07d7.filesusr.com/ugd/93971e_dfa651b9008a40158346b6dd62911358.pdf?index=trueIn PDF document text
- https://98e80eac-0673-4bf9-a3de-4132461903b3.filesusr.com/ugd/1acd69_396de99c13e1465bb13b256078fcb278.pdf?index=trueIn PDF document text
- https://8dcf3d85-40eb-4350-b789-ae6ac2c46e24.filesusr.com/ugd/21d17a_12a61c8cb5a54eb09684840c37b53188.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/da36f9c2-b0dd-4694-9d46-82593b818511/45482719894.pdfIn PDF document text
- https://7f3356c1-ec1f-498a-9d41-5b36c14d87b7.filesusr.com/ugd/98d33d_d7d1d6891cec494f86a8d043ded4ead1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1ff86645-dfb8-4026-9679-c6d0c5231f57/5044609292.pdfIn PDF document text
- https://5efcf519-4c71-4be9-a00f-e1d47ba804c5.filesusr.com/ugd/ebcc4b_65a7450128454b36bef7a5a0351c9b76.pdf?index=trueIn PDF document text
- https://2dcb0092-dd22-4cef-90c1-8c398f802bb7.filesusr.com/ugd/ff3115_59611e0675a445728565be9115ed9264.pdf?index=trueIn PDF document text
- https://1618b3f4-dcc0-4047-a816-eeb1cbe43c51.filesusr.com/ugd/a01749_391cc42d42ed49029ddd74e2f482ddb8.pdf?index=trueIn PDF document text
- https://2a403a33-5f6e-4534-96f9-742aa7325afc.filesusr.com/ugd/d2da83_717d4a700fe0452f8c7b7bca0b5594e4.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_off0000db32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB32 | 5420 bytes |
SHA-256: 6b3d5c634e66f42a0b1e41b0bb2394a813b2a5a1776f36bb24b6b6cfe6866d1e |
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font_01_sfnt_off0000eda3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA3 | 10036 bytes |
SHA-256: 5b42b024c533ccae5c27b0753e2a0be5a7c940f8be75a1358676cd4e4c96491a |
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